If the lower limit of a confidence interval is 1.5 and the upper ...

[jc611]

If the lower limit of a confidence interval is 1.5 and the upper limit of a confidence interval is 5.5, we can state that
 
  a. a score of 6 is impossible.
  b. 95 percent of the scores should fall between 1.5 and 5.5.
  c. the confidence level is extremely small.
  d. the distribution is normal.

Question 2

Descriptive statistics are more precise when the sample is larger. This is predicted by the
 
  a. standard error.
  b. central tendency measures.
  c. normal distribution.
  d. central limit theorem.

[mmj22343]

Answer to Question 1

b

Answer to Question 2

d