Suppose that you wanted to run a two-tail test so that you were 95 percent confident of your result. ...

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.

Question 2

Less-developed countries tend to require about ____ years of mandatory education.
 A) three to five
  B) seven to nine
  C) twelve
  D) thirteen

Question 3

What type of statistics should be used when you have nominal data?
 a. Normal curve
 b. Nonparametric
 c. Type I
 d. Parametric

Question 4

Which of the following is a characteristic of second-world countries?
 A) high personal incomes
  B) well-developed infrastructure
  C) high levels of industrialization
  D) none of the above

Question 5

What type of statistics assume that the data are drawn from a population that has a normal, bell-shaped distribution?
 a. Parametric
 b. Type I
 c. Nonparametric
 d. Distribution-free

Question 6

Corruption is a problem for international businesses in countries with weak legal systems.
 
 Indicate whether the statement is true or false

Question 7

What type of statistic should be used when you have interval data and a large sample size?
 a. Distribution-free
 b. Parametric
 c. Type I
 d. Nonparametric

Question 8

International marketers deal with political risk by increasing the amount of information they collect on a country and its leaders.
 
 Indicate whether the statement is true or false

Question 9

What type of error signifies the probability of failing to reject a false null hypothesis?
 a. Type I
 b. Type beta
 c. Type II
 d. Type delta