A. Variances
B. Proportions
C. Only two parameters
D. Means
Correct Answer: Variances ✔
Last Updated: October 05, 2021
Related MCQs
- We use non parametric tests when the data is_________?
- An alternative non parametric test of ANOVA?
- In hypothesis testing probability of (alpha +beta) =1?
- Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as__________E[∏(θ)ιX1,X2,…..,Xn] is called?
- The non parametric equivalent of an unpaired samples t-test__________?
- When testing for randomness, we can use__________?
- Which of the following test is most likely assessing this null hypothesis: Ho The number of violations per apartment in the population of all city apartments is binomially distributed with a probability of success in any one trial of P=0.3 dd ?
- Which of the following test must be two-sided ?
- The Wilcoxon, Rank-Sum test used to compares__________?
- Comparing the times to failure of radar transponders made by firms A, B, and C based on an airline’s sample experience with the three types of instruments one may use__________?
- In testing for the difference between two populations, it is possible to use__________?
- The Runs test results in rejecting the null hypothesis of randomness when__________?
- The critical value of a test statistic is determined from__________?
- what is the probability of a type II error when α=0.05 ?
- condition for applying Central Limit Theorem (CLT) which approximate the sampling distribution of the mean with a normal distribution is ?
- For t distribution, increasing the sample size, the affect will be on ?
- A quantity obtained by applying certain rule or formula is known as __________?
- If we reject the null hypothesis, we might be making__________?
- Parameter is a _________ quantity?
- 1 – α is the probability of__________?
- Power of test is denoted by __________?
- The values that separate the region of rejection and acceptance region are called __________?
- The level of significance is denoted by __________?
- If n = 400 and P=.69 then 90% C.I for P is __________?
- Which of the following is simple hypothesis__________?
- E(x1 – x2)= __________?
- 95% confidence limits u are __________?
- The minimum variance unbiased estimator of the population mean is __________?
- __________ is the process of using sample information to reach?
- _________ is an estimate expressed by a single value?
- x=40 is estimator of __________?
- Sample variance S2 is unbiased estimator of population variance 26 because __________?
- Sample proportion P is __________ estimator?
- An estimator Q is an unbiased estimator of the population parameter Q if __________?
- Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as__________E[∏(θ)ιX1,X2,…..,Xn] is called?
- If E(θˆ)=θ, then θˆ is said to be__________?
- if Var(T2)__________?
- for two estimators T1=t1(X1,X2,….Xn) and T1=t1(X1,X2,….Xn) then estimators t1 is defined to be Rt1(θ)≤Rt2(θ) for all θ in Θ ?
- A test is said to be most powerful test of size α, if__________?
- If the conditional distribution of X1,X2,…..Xn given S=s, does not depends on θ, for any value of S=s the statistics S=s(X1,X2,…..Xn) is called__________?
- A set of jointly sufficient statistic is defined to be minimal sufficient if and only if__________?
- For a biased estimator θˆ of θ, which one is correct__________?
- Let Z1,Z2,….Zn be independent and identically distributedrandom variable, satisfying E[ι Zt ι]<∞. Let N be an integer valued random variable whose value n depends only on the values of the first n Z¡'s. Suppose E(N)< ∞, then E(Z1,Z2,….Zn)=E(N)E(Z) is called ?
- Let X1,X2,…Xn be a random sample from the density f(x;(θ), where θ may be vector. If the conditional distribution of X1,X2,…Xn given S=s does not depend on θ for any value of s of S, then statistic is called?
- if Var(θˆ)→0 as n → 0, then θˆ is said to be__________?
- if f(x1,x2,…xn;θ)=g(θˆ;θ)h(x1,x2,….,xn), then θˆ is__________?
- Which of the following test use Rank Sums__________?
- Wilcoxon Rank-Sum test can be of__________?
- When using the sign test, if two scores are tied, then__________?
- In a Wilcoxon Rank-Sum test__________?
- The Spearman Rank-Correlation test requires that the__________?