True or False The Student tdistribution A Find the confidenc

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

Solution

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