Posted by **eid2013** on Monday, October 14, 2013 at 4:11pm.

A sample of 148 of our statistics students rated their level of admiration for Hillary Rodham Clinton on a scale of 1 to 7. The mean rating was 4.06, and the standard deviation was 1.70. (For this exercise, treat this sample as the entire population of interest.)

a. Use these data to demonstrate that the mean of thez distribution is always 0.

b. Use these data to demonstrate that the standard deviation of the z distribution is always 1.

c. Calculate the z score for a student who rated his admiration of Hillary Rodham Clinton as 6.1.

d. A student had a z score of 0.55. What rating did she give for her admiration of Hillary Rodham Clinton?

## Answer this Question

## Related Questions

- math - A sample of 148 of our statistics students rated their level of ...
- statistics - A sample of 148 of our statistics students rated their level of ...
- math - Our statistics students, as noted were asked to rate their admiration of...
- math - Our statistics students, as noted in Exercise 6.32, were asked to rate ...
- statistics - Our statistics students, as noted were asked to rate their ...
- stats - Our students were asked to rate their admiration of Hillary Rodham ...
- stats - Our students were asked to rate their admiration of Hillary Rodham ...
- stats(help) - Our students were asked to rate their admiration of Hillary Rodham...
- statistics - what are the mean and standard deviation of a sampling distribution...
- statistics - A researcher administered a treatment to a sample of participants ...