Lina is analyzing data from a national survey of a sample of the population who regularly uses the Internet. She finds that the z-score for the percentage of Internet users in her home town is -1 . Assuming that the data have a normal distribution, Lina can make which of the following conclusions?
a. The percentage of users in Lina's town is higher than it is in 90% of the othertowns in the
study.
b. The percentage of users In Lina's town is higher than it is in 50% of the othertowns in the study
c. The percentage of users in Lina's town is lower than it is in 50% of the othertowns in the study.
d. The percentage of users in Lina's town is lower than it is in 90% of the othertowns in the study.
c
Communication & Mass Media
You might also like to view...
When you present the most important or convincing idea first in your speech, you are using the principle of
a. primacy. b. specificity. c. complexity. d. recency.
Communication & Mass Media
Maintenance simply is the absence of ______.
A. adjustment B. motivation C. conflict D. disdain
Communication & Mass Media