Refer to Exhibit 7-13. The tabled value of chi square for the corresponding degree(s) of freedom ...

Refer to Exhibit 7-13. The tabled value of chi square for the corresponding degree(s) of freedom shows 5.99 for the .05 level and 9.21 for the .01 level. The investigator would report that his results are
 
  a. statistically significant at the .05 level.
  c. Not statistically significant.
  b. statistically significant at the .01 level.
  d. None of these are true.

Ques. 2

Refer to Exhibit 7-13. The degree(s) of freedom for this problem is (are)
 
  a. 1.
  c. 5.
  b. 2.
  d. 149.

Ques. 3

Refer to Exhibit 7-13. The value of chi square for this problem is
 
  a. 2.
  c. 4.
  b. 2.4.
  d. 16.

Ques. 4

Refer to Exhibit 7-13. The expected frequency for above-average students who want to attend college is
 
  a. 15.
  c. 25.
  b. 20.
  d. 35.

Ques. 5

What is the relationship between the standard deviation of a population and the standard deviation of means of samples randomly selected from the population?
 
  a. The standard deviation of the distribution of sample means is larger than that of the population.
  b. The standard deviation of the population is larger than that of the distribution of sample means.
  c. They are equal to one another.
  d. It is impossible to determine the relationship with the available data.

Ques. 6

Sampling error refers to
 
  a. the mean difference between sample means.
  b. the mean difference between population means.
  c. the difference between a sample statistic and a population parameter.