Using the following information, calculate the z-statistic for the z-test for one mean. 
= 31.75 ? = 25.67 
= 2.45
a. 2.48
b. –2.48
c. .10
d. -.10
a. 2.48
You might also like to view...
Benchmarks are:
a. the curriculum guides developed by teachers in the field b. the stated sequence of the unit c. the measureable learner expectations d. none of the above
If your neighbor suggests that you contact her brother, a CEO at a major company, to ask about a specific job opportunity, which type of letter will you write?
A. Letter of recommendation B. Networking letter C. Letter of inquiry D. Follow-up letter
Edward T. Hall used systematic observation to determine patterns in ______________________________________.
a. how often people snack between meals. b. whether men or women dominate in conversations. c. how far people stand from each other for various kinds of social interactions. d. how loud people speak in various kinds of social interactions.
You run a t-test and find that your results indicate that t(38) = 1.13, p > .05. You determine that you should ______.
a. fail to reject the null hypothesis b. reject the null hypothesis c. ignore the null hypothesis d. fail to ignore the null hypothesis