Q.1
Which of the following testing is concerned with making decisions using data?
  • a) Probability
  • b) Hypothesis
  • c) Causal
  • d) None of the mentioned
Q.2
Point out the correct statement.
  • a) Power of a one sided test is lower than the power of the associated two sided test
  • b) Power of a two sided test is greater than the power of the associated one sided test
  • c) Hypothesis testing is less commonly used
  • d) None of the mentioned
Q.3
Which of the following value is the most common measure of “statistical significance”?
  • a) P
  • b) A
  • c) L
  • d) All of the mentioned
Q.4
What is the purpose of multiple testing in statistical inference?
  • a) Minimize errors
  • b) Minimize false positives
  • c) Minimize false negatives
  • d) All of the mentioned
Q.5
Point out the wrong statement with respect to FDR.
  • a) FDR is difficult to calculate
  • b) FDR is relatively less conservative
  • c) FDR allows for more false positives
  • d) None of the mentioned
Q.6
Which of the following is the oldest multiple testing correction?
  • a) Bonferroni correction
  • b) Bernoulli correction
  • c) Likelihood correction
  • d) All of the mentioned
Q.7
The pooled estimator is a mixture of the group variances, placing greater weight on whichever has a larger sample size.
  • a) True
  • b) False
Q.8
Which of the following tool is used for constructing confidence intervals and calculating standard errors for difficult statistics?
  • a) baggyer
  • b) bootstrap
  • c) jacknife
  • d) none of the mentioned
Q.9
Which of the following tool is used for estimating standard errors and the bias of estimators?
  • a) knitr
  • b) jackknife
  • c) ggplot2
  • d) all of the mentioned
Q.10
Power is the probability of rejecting the null hypothesis when it is true.
  • a) True
  • b) False
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