1. A college student is interested in whether there is a difference between male and female students in the amount of ti
Posted: Sat Feb 26, 2022 11:25 am
- 1 A College Student Is Interested In Whether There Is A Difference Between Male And Female Students In The Amount Of Ti 1 (128.17 KiB) Viewed 49 times
answer the following questions for this independent samples t-test.
You may use either Excel or calculate your answers by hand using
the handouts provided in this week's Announcement. All answers must
be at least 3 places past the decimal.
1. What is the average volunteering time for males?
2. What is the average volunteering time for females?
3. What is the value of t?
4. According to Table A.2, what is the critical value of t,
assuming a one-tailed test and a .05 level of significance?
5. Is our t-value significant according to the value of Question
4?
1. A college student is interested in whether there is a difference between male and female students in the amount of time spent doing volunteer work each week. The student gathers information from a random sample of male and female students on her campus. Amount of time volunteering (in minutes) is normally distributed. The data appear next. They are measured on an interval-ratio scale and are normally distributed. Males Females 20 35 25 39 35 38 40 43 36 50 24 49 a. What statistical test should be used to analyze these data? b. Identify H, and H for this study. c. Conduct the appropriate analysis. d. Should H, be rejected? What should the researcher conclude? e. If significant, compute the effect size and interpret this. f. If significant, draw a graph representing the data. g. Determine the 95% confidence interval. h. Calculate the power of this test.