Explanation:If the sample sizes are the same the pooled variance estimate is the average of the group variances. 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
Answer:A
Explanation:If the sample sizes are the same the pooled variance estimate is the average of the group variances. 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
Explanation:The bootstrap procedure follows from the so called bootstrap principle. 9. Which of the following tool is used for estimating standard errors and the bias of estimators ?