True or False: The Student t-distribution A. Find the confidence interval for on
ID: 3394455 • Letter: T
Question
True or False: The Student t-distribution
A. Find the confidence interval for one mean µ when o(WITH A LINE COMING OUT ON TOP) is known
B. Find the confidence interval for one proportion p
C. Find the CI for the difference between two means when O1 and O2 are unknown
D. Test the difference between two means when O1 and O2 are unknown
E. Test if an observed frequency distribution (O) fits an expected distribution (E)
F. Perform tests which do not involve parameters
True or false: The chi-square ( x2) distribution is used to do questions 18 – 22.
18. Test if two variables are from populations that are independent of each other
19. Find a confidence interval for one population variance or standard deviation
20. Find a confidence interval for two variances
21. Test a claim about a single population variance or standard deviation
22. Test if data comes from a Normal population
Explanation / Answer
True or False: The Student t-distribution
A. Find the confidence interval for one mean µ when o(WITH A LINE COMING OUT ON TOP) is known False
B. Find the confidence interval for one proportion p False
C. Find the CI for the difference between two means when O1 and O2 are unknown True
D. Test the difference between two means when O1 and O2 are unknown True
E. Test if an observed frequency distribution (O) fits an expected distribution (E) False
F. Perform tests which do not involve parameters False
True or false: The chi-square ( x2) distribution is used to do questions 18 – 22.
18. Test if two variables are from populations that are independent of each other True
19. Find a confidence interval for one population variance or standard deviation True
20. Find a confidence interval for two variances False
21. Test a claim about a single population variance or standard deviation True
22. Test if data comes from a Normal population True
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