A Course Work of a Student Is Dedicated to the Investigation

question 25

Multiple Choice

A course work of a student is dedicated to the investigation of sleep. To begin with, it is important to establish whether there is a difference in the average duration of sleep for people of different age groups. For this purpose, the student considers several random samples to study four age groups. ​ Using a multiple comparison procedure identify differences between mean durations of sleep for considered age groups. Use 95% Tukey-Kramer confidence interval.

• A)Using the 95% Studentized range critical value , we can calculate the CI: ​
• B)Using the 95% Studentized range critical value , we can calculate the CI: ​
• C)Using the 95% Studentized range critical value , we can calculate the CI: ​
• D)Using the 95% Studentized range critical value , we can calculate the CI: ​
• E)Using the 95% Studentized range critical value , we can calculate the CI: ​

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Definitions:

Josef Stalin

Soviet political leader who governed the Soviet Union from the mid-1920s until his death in 1953, known for his totalitarian rule.

Harry S Truman

The 33rd president of the United States, known for his leadership during the final stages of World War II and the early years of the Cold War.

Soviet Citizens

Individuals who were recognized as nationals of the Soviet Union, a federal socialist state in Eurasia that existed from 1922 to 1991.

Containment Policy

A United States policy using numerous strategies to prevent the spread of communism abroad during the Cold War.