A type of sampling (independent or paired), sample size(s), and a figure showing the results of preliminary data analyseson the sample(s)are provided. The intent is to employ the sample data to perform a hypothesis test to compare the meansof the two populations from which the data were obtained. Use the information provided to decide which procedureshould be applied.
-Paired; n = 12. A normal probability plot and a boxplot for the paired differences are given below.

A)Paired Wilcoxon signed-rank test
B) Paired t-test
C) Pooled t-test
D) Mann-Whitney test

Question

A type of sampling (independent or paired), sample size(s), and a figure showing the results of preliminary data analyseson the sample(s)are provided. The intent is to employ the sample data to perform a hypothesis test to compare the meansof the two populations from which the data were obtained. Use the information provided to decide which procedureshould be applied.
-Paired; n = 12. A normal probability plot and a boxplot for the paired differences are given below.

A)Paired Wilcoxon signed-rank test 
B) Paired t-test 
C) Pooled t-test 
D) Mann-Whitney test

Quizplus · Accepted Answer

The Answer of A type of sampling (independent or paired), sample size(s), and a figure showing the results of preliminary data analyseson the sample(s)are provided. The intent is to employ the sample data to perform a hypothesis test to compare the meansof the two populations from which the data were obtained. Use the information provided to decide which procedureshould be applied.
-Paired; n = 12. A normal probability plot and a boxplot for the paired differences are given below.

A)Paired Wilcoxon signed-rank test 
B) Paired t-test 
C) Pooled t-test 
D) Mann-Whitney test

A Type of Sampling (Independent or Paired), Sample Size(s), and a Figure