**Option A:** Methods

**Option B:** Data

**Option C:** Science

**Option D:** Meteorology

**Correct Answer: **Data ✔

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**Option A:** R.A Fisher

**Option B:** John Tukey

**Option C:** Karl Pearson

**Option D:** All of the above

**Correct Answer: **Karl Pearson ✔

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**Option A:** SE cannot be zero

**Option B:** SE cannot be one

**Option C:** SE cannot be negative

**Option D:** All of these

**Correct Answer: **SE cannot be zero ✔

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**Option A:** Ronald Fisher

**Option B:** Karl Pearson

**Option C:** John Tukey

**Option D:** None of these

**Correct Answer: **Ronald Fisher ✔

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**Option A:** 282,589,933 − 3

**Option B:** 282,589,933 − 1

**Option C:** 282,589,933 − 5

**Option D:** None of these

**Correct Answer: **282,589,933 − 1 ✔

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**Option A:** simple hypothesis

**Option B:** null hypothesis

**Option C:** all of the above

**Option D:** None of these

**Correct Answer: **null hypothesis ✔

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**Option A:** Primary data

**Option B:** Secondary data

**Option C:** Raw data

**Option D:** None of these

**Correct Answer: **Primary data ✔

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**Option A:** Primary data

**Option B:** Secondary data

**Option C:** Raw data

**Option D:** None of these

**Correct Answer: **Secondary data ✔

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**Option A:** Point

**Option B:** Data

**Option C:** Datum

**Option D:** Statistic

**Correct Answer: **Datum ✔

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**Option A:** Data

**Option B:** Datum

**Option C:** Statistic

**Option D:** Raw

**Correct Answer: **Data ✔

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**Option A:** GM

**Option B:** HM

**Option C:** AM

**Option D:** Both A and B

**Correct Answer: **Both A and B ✔

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**Option A:** R A Fisher

**Option B:** Smith

**Option C:** Karl pearson

**Option D:** Neyman

**Correct Answer: **Karl pearson ✔

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**Option A:** Individuals

**Option B:** Whole

**Option C:** Universe

**Option D:** None of these

**Correct Answer: **Universe ✔

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**Option A:** Simple random sampling

**Option B:** Stratified sampling

**Option C:** Cluster sampling

**Option D:** Systematic sampling

**Correct Answer: **Simple random sampling ✔

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**Option A:** Systematic sampling

**Option B:** Cluster sampling

**Option C:** Simple random sampling

**Option D:** Stratified sampling

**Correct Answer: **Cluster sampling ✔

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**Option A:** Variable

**Option B:** Probability distribution

**Option C:** Values

**Option D:** None of these

**Correct Answer: **Probability distribution ✔

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**Option A:** 3.86

**Option B:** 8.37

**Option C:** 9.21

**Option D:** 10.63

**Correct Answer: **8.37 ✔

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**Option A:** Uni-Modal

**Option B:** Bi-Modal

**Option C:** Tri-Modal

**Option D:** Multi-Modal

**Correct Answer: **Bi-Modal ✔

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**Option A:** a+b2

**Option B:** 2aba+b

**Option C:** ab−−√

**Option D:** a+b

**Correct Answer: **2aba+b ✔

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**Option A:** Geometric Mean

**Option B:** Median

**Option C:** Arithmetic Mean

**Option D:** Harmonic Mean

**Correct Answer: **Arithmetic Mean ✔

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**Option A:** X1+X2

**Option B:** X1+X2x

**Option C:** X1+X2−−−−−−−√

**Option D:** X1×X2−−−−−−−√

**Correct Answer: **X1×X2−−−−−−−√ ✔

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**Option A:** Arithmetic Mean

**Option B:** Geometric Mean

**Option C:** Median

**Option D:** Mode

**Correct Answer: **E. Both C. and D. ✔

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## If 10% is added to each value of variable, the geometric mean of new variable is added by__________?

**Option A:** 5%

**Option B:** 10%

**Option C:** No Change

**Option D:** 110%

**Correct Answer: **10% ✔

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**Option A:** -3

**Option B:** 0

**Option C:** 3

**Option D:** Cannot be Computed

**Correct Answer: **Cannot be Computed ✔

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**Option A:** Median

**Option B:** Geometric Mean

**Option C:** Arithmetic Mean

**Option D:** Harmonic Mean

**Correct Answer: **Geometric Mean ✔

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**Option A:** Mode

**Option B:** Median

**Option C:** Mean

**Option D:** Harmonic Mean

**Correct Answer: **Mean ✔

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## Data must be arranged either in ascending or descending order, if some wants to compute__________?

**Option A:** Mode

**Option B:** Median

**Option C:** Harmonic Mean

**Option D:** Geometric Mean

**Correct Answer: **Median ✔

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**Option A:** Mode

**Option B:** Median

**Option C:** Mean

**Option D:** Geometric Mean

**Correct Answer: **Median ✔

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**Option A:** Mean

**Option B:** Median

**Option C:** Harmonic Mean

**Option D:** Mode

**Correct Answer: **Mode ✔

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**Option A:** 275th item

**Option B:** 375th item

**Option C:** 150th item

**Option D:** 175th item

**Correct Answer: **375th item ✔

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**Option A:** 2066.55 units

**Option B:** 5031.10 units

**Option C:** 4021.12 units

**Option D:** 3012.11 units

**Correct Answer: **2066.55 units ✔

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**Option A:** 140

**Option B:** 300

**Option C:** 180

**Option D:** 280

**Correct Answer: **280 ✔

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**Option A:** 140th item

**Option B:** 130th item

**Option C:** 160th item

**Option D:** 150th item

**Correct Answer: **150th item ✔

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**Option A:** The third root of the product of N values

**Option B:** The square root of the product of N values

**Option C:** The fourth root of the product of N values

**Option D:** The Nth root of the product of N values

**Correct Answer: **The Nth root of the product of N values ✔

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**Option A:** Median

**Option B:** Mean

**Option C:** Mode

**Option D:** Standard Deviation

**Correct Answer: **Mean ✔

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**Option A:** n+12

**Option B:** n2

**Option C:** All of the above

**Option D:** None of these

**Correct Answer: **n+12 ✔

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**Option A:** Mean

**Option B:** Mode

**Option C:** Median

**Option D:** Standard Deviation

**Correct Answer: **Mean ✔

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**Option A:** ab2

**Option B:** 2a2

**Option C:** (a+b)/2

**Option D:** a−b2

**Correct Answer: **(a+b)/2 ✔

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**Option A:** Small values only

**Option B:** Large values only

**Option C:** Extreme values only

**Option D:** All values

**Correct Answer: **All values ✔

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**Option A:** Normal

**Option B:** Mesokurtic

**Option C:** Leptokurtic

**Option D:** Platykurtic

**Correct Answer: **Platykurtic ✔

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**Option A:** Dispersion

**Option B:** Skewness

**Option C:** Symmetry

**Option D:** Kurtosis

**Correct Answer: **Kurtosis ✔

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**Option A:** 0 and 1

**Option B:** -1 and +1

**Option C:** -1 and 0

**Option D:** None of these

**Correct Answer: **-1 and +1 ✔

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**Option A:** Mesokurtic

**Option B:** Positively Skewed

**Option C:** Symmetrical

**Option D:** Negatively Skewed

**Correct Answer: **Symmetrical ✔

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**Option A:** Range

**Option B:** Standard Deviation

**Option C:** Coefficient of Variation

**Option D:** Mean Deviation

**Correct Answer: **Coefficient of Variation ✔

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**Option A:** X¯¯¯¯−S and X¯¯¯¯+S

**Option B:** X¯¯¯¯−2S and X¯¯¯¯+2S

**Option C:** X¯¯¯¯−3S and X¯¯¯¯+3S

**Option D:** None of these

**Correct Answer: **X¯¯¯¯−S and X¯¯¯¯+S ✔

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**Option A:** Zero

**Option B:** Constant

**Option C:** a

**Option D:** None

**Correct Answer: **Zero ✔

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**Option A:** 5 Var(X)

**Option B:** 4 Var(X)

**Option C:** 4 Var(X)+3

**Option D:** 5 Var(X)+3

**Correct Answer: **4 Var(X) ✔

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**Option A:** 50

**Option B:** 70

**Option C:** 50/20

**Option D:** 50-20 = 30

**Correct Answer: **50 ✔

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**Option A:** Greater

**Option B:** Less

**Option C:** Equal

**Option D:** None

**Correct Answer: **Greater ✔

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**Option A:** Positive

**Option B:** Negative

**Option C:** 0

**Option D:** 1

**Correct Answer: **Negative ✔

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**Option A:** 100%

**Option B:** 25%

**Option C:** 20%

**Option D:** None of these

**Correct Answer: **20% ✔

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**Option A:** Zero

**Option B:** 1

**Option C:** Negative

**Option D:** None of these

**Correct Answer: **Zero ✔

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**Option A:** Absolute Dispersion

**Option B:** Relative Dispersion

**Option C:** Skewness

**Option D:** Non of these

**Correct Answer: **Skewness ✔

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**Option A:** Negatively Skewed

**Option B:** Positively Skewed

**Option C:** All of above

**Option D:** None of these

**Correct Answer: **Positively Skewed ✔

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**Option A:** Median

**Option B:** Mode

**Option C:** Mean

**Option D:** None of these

**Correct Answer: **Mean ✔

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**Option A:** Zero

**Option B:** 3

**Option C:** 3

**Option D:** None of these

**Correct Answer: **3 ✔

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**Option A:** Symmetrical

**Option B:** Normal

**Option C:** Positively Skewed

**Option D:** Negatively Skewed

**Correct Answer: **Positively Skewed ✔

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**Option A:** Symmetrical

**Option B:** Skewed

**Option C:** All of above

**Option D:** None of these

**Correct Answer: **Symmetrical ✔

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**Option A:** Standard Deviation

**Option B:** Variance

**Option C:** Coefficient of Variation

**Option D:** None of these

**Correct Answer: **Variance ✔

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**Option A:** Range

**Option B:** Standard Deviation

**Option C:** Coefficient of Variation

**Option D:** Mean Deviation

**Correct Answer: **Coefficient of Variation ✔

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**Option A:** SD(X)−SD(Y)

**Option B:** SD(X)+SD(Y)

**Option C:** SD(X)+SD(Y)−−−−−−−−−−−−−−√

**Option D:** Var(X)+Var(Y)−−−−−−−−−−−−−−−√

**Correct Answer: **SD(X)+SD(Y) ✔

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**Option A:** Always

**Option B:** Sometimes

**Option C:** Never

**Option D:** None of these

**Correct Answer: **Never ✔

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**Option A:** a±bVar(X)

**Option B:** Var(a)±Var(X)

**Option C:** ±bVar(X)

**Option D:** b2Var(X)

**Correct Answer: **b2Var(X) ✔

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**Option A:** Origin

**Option B:** Scale

**Option C:** Both

**Option D:** None of these

**Correct Answer: **Origin ✔

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**Option A:** Zero

**Option B:** Maximum

**Option C:** Least

**Option D:** None

**Correct Answer: **Least ✔

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**Option A:** Origin

**Option B:** Scale

**Option C:** Algebraic Signs

**Option D:** None

**Correct Answer: **Scale ✔

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**Option A:** Zero

**Option B:** Positive

**Option C:** Negative

**Option D:** Infinity

**Correct Answer: **Positive ✔

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**Option A:** Maximum

**Option B:** Zero

**Option C:** Minimum

**Option D:** Undefined

**Correct Answer: **Zero ✔

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**Option A:** Descriptive statistics

**Option B:** Inferential Statistics

**Option C:** Parameter

**Option D:** Population

**Correct Answer: **Inferential Statistics ✔

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**Option A:** Quartiles

**Option B:** Standard Deviations

**Option C:** Percentiles

**Option D:** Deciles

**Correct Answer: **Standard Deviations ✔

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**Option A:** Arithmetic Mean

**Option B:** Geometric Mean

**Option C:** Harmonic Mean

**Option D:** Weighted Mean

**Correct Answer: **Mode ✔

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**Option A:** Qualitative data

**Option B:** Categorical data

**Option C:** Continuous data

**Option D:** Discrete data

**Correct Answer: **Continuous data ✔

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**Option A:** A portion of the sample

**Option B:** A portion of the population

**Option C:** all the items under investigation

**Option D:** none of the above

**Correct Answer: **A portion of the population ✔

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**Option A:** Standard Deviation

**Option B:** Variance

**Option C:** Coefficient of Variation

**Option D:** None of these

**Correct Answer: **Coefficient of Variation ✔

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**Option A:** The Range

**Option B:** 50th Percentile

**Option C:** Inter-Quartile Range

**Option D:** Variance

**Correct Answer: **50th Percentile ✔

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**Option A:** Collecting information from elements

**Option B:** Making mathematical calculations

**Option C:** Drawing graphs and pictures

**Option D:** None of the above

**Correct Answer: **Collecting information from elements ✔

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**Option A:** Advanced Statistics

**Option B:** Probability Statistics

**Option C:** Inferential Statistics

**Option D:** Descriptive Statistics

**Correct Answer: **Descriptive Statistics ✔

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**Option A:** Population

**Option B:** Sample

**Option C:** Data

**Option D:** Observations

**Correct Answer: **Sample ✔

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**Option A:** Grouped data

**Option B:** Ungrouped data

**Option C:** Secondary data

**Option D:** Primary data

**Correct Answer: **Primary data ✔

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**Option A:** A sample

**Option B:** A Parameter

**Option C:** A Population

**Option D:** Both b and c

**Correct Answer: **A sample ✔

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**Option A:** The description of decision making process

**Option B:** The methods for organizing, displaying, and describing data

**Option C:** How to describe the probability distribution

**Option D:** None of the above

**Correct Answer: **The methods for organizing, displaying, and describing data ✔

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**Option A:** the methods to make decisions about population based on sample results

**Option B:** how to make decisions about mean, median, or mode

**Option C:** how a sample is obtained from a population

**Option D:** None of the above

**Correct Answer: **the methods to make decisions about population based on sample results ✔

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**Option A:** Zero

**Option B:** Fixed

**Option C:** Not fixed

**Option D:** Nothing

**Correct Answer: **Fixed ✔

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**Option A:** Dispersion/ Variability

**Option B:** Measurement error

**Option C:** Random error

**Option D:** Instrument error

**Correct Answer: **Random error ✔

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**Option A:** Sample survey

**Option B:** Accounting

**Option C:** Investigation

**Option D:** Complete enumeration

**Correct Answer: **Complete enumeration ✔

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**Option A:** Discrete variable

**Option B:** Continuous variable

**Option C:** Qualitative variable

**Option D:** Constant

**Correct Answer: **Continuous variable ✔

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**Option A:** Raw data

**Option B:** Primary data

**Option C:** Secondary data

**Option D:** Qualitative data

**Correct Answer: **Secondary data ✔

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