Question

Make your own research question for each

A) z-test

B) t-test

C) independent samples

D) related samples ANOVA

A) one-factor, independent measures

B) one-factor, repeated measure


ex. "My study": Does deafness effect quality of life for individuals living in underdeveloped countries.

Answer 1

My own research question foe the following:
(A) Z - test: Can a random sample of the height of 100 students with sample mean = $\bar{x}$ = 5.0 feet be considered as from a large population of students in a university having population mean = $\mu$ = 5.6 feet and population SD = $\sigma$ = 0.75 feet.

(B) t - test: Can a random sample of 10 students with sample mean = $\bar{x}$ = 5.0 feet and sample SD = s = 0.75 feet be considered as from a large population of students in a university having population mean = 5.6 feet.

(C) Independent samples: Can two random samples of males and females each containing 40 students: with males sample mean = $\bar{x}$ 1 = 5.6 feet and sample SD = 0.75 feet and female sample mean = $\bar{x}$ 2 = 5.5 feet and sample SD = 0.4 feet be considered as from sample population.

(D) Related sample ANOVA: Can the blood pressure measurements from the same person on different times be taken as same.

(A) One -factor, independent measures: Are there any significant differences between 4 different groups of participants, each group with a different dosage of caffeine.

(B) One-factor, repeated measure: Which commercial has highest mean rating among rating on 10 point scale on 4 commercials by 40 participants.