Developing countries tend to have A) shrinking overall ...

[leilurhhh]

Developing countries tend to have
 A) shrinking overall populations.
  B) large populations of young people.
  C) an increasing number of older people.
  D) stable, unchanging populations.

Question 2

Suppose that you wanted to run a two-tail test so that you were 95 percent confident of your result. You are using a 5-point rating scale, and your sample of 144 respondents had a mean score of 2.13 with a standard deviation of 0.56 on question 1 . on the survey. The critical t value is 1.96 . The confidence interval about the mean for this survey question is APPROXIMATELY:
 a. 1.03 to 3.27
 b. 1.86 to 2.97
 c. 2.04 to 2.22
 d. none of these choices.

[samiel-sayed]

Answer to Question 1

B

Answer to Question 2

c

[leilurhhh]

Correct answers!

[samiel-sayed]

Great! Please up vote