In order to attract more customers to the restaurant and earn more revenue, a restaurant manager mails out coupons for 10% off the bill. Describe what happens to the shape, center and spread of the distribution of the restaurant’s revenue on tuesdays are the 10% discount are given
A. The shape center and spread remain the same
B. The shape center and spread all decrease by 10%
C. The shape remains the same but the center and spread both decreases by 10%
D. The shape and spread both remain the same but the center decreases by 10%
C. The shape and center both remain the same but the soread decreases by 10%

On a certain portion of an experiment, a statistical test result yielded a p-value of 0.18. what can you conclude? 2(0.18) = 0.36 < 0.5; the test is not statistically significant. if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 18% of the time, so the test is not statistically significant. if the null hypothesis is true, one could expect to get a test statistic at least as extreme as that observed 82% of the time, so the test is not statistically significant. 0.18 > 0.05; the test is statistically significant. p = 1 - 0.18 = 0.82 > 0.05; the test is statistically significant.

Meritocracy is the belief that hard work and achievement a: can reduce a persons position in society b: can change a persons position in society for the better c: has little influence on a persons social standing d: can decrease social inequality

If you think a piece of information will be on an upcoming test, you should always write it in your notes.