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Solved: In Exercise, refer to the accompanying screen
Chapter 7, Problem 2BSC(choose chapter or problem)
Problem 2BSC
In Exercise, refer to the accompanying screen display that results from a sample of 40 duration times (seconds) of eruptions of the Old Faithful geyser in Yellowstone National Park.
Degrees of Freedom For the accompanying screen display, a simple random sample of size n= 40 was obtained from the population of duration times (seconds) of eruptions of the Old Faithful geyser.
a. What is the number of degrees of freedom that should be used for finding the critical value tα/2?
b. Find the critical value tα/2 corresponding to n = 40 and a 95% confidence level.
c. Give a brief general description of the number of degrees of freedom.
Questions & Answers
QUESTION:
Problem 2BSC
In Exercise, refer to the accompanying screen display that results from a sample of 40 duration times (seconds) of eruptions of the Old Faithful geyser in Yellowstone National Park.
Degrees of Freedom For the accompanying screen display, a simple random sample of size n= 40 was obtained from the population of duration times (seconds) of eruptions of the Old Faithful geyser.
a. What is the number of degrees of freedom that should be used for finding the critical value tα/2?
b. Find the critical value tα/2 corresponding to n = 40 and a 95% confidence level.
c. Give a brief general description of the number of degrees of freedom.
ANSWER:Answer:
Step 1 of 1
a. The number of degrees of freedom that should be used for finding the critical value is