QUESTION 21 The title slide in the power point presentation on debris impact suggested that the shuttle managers had made the decision not to seek additional pictures. O True O False QUESTION 22 Which of the following is a weakness of the range? The range is useful as a preliminary descriptive statistic, but it is not useful in more complicated statistical procedures, and it varies too much as a function of sample size (the range goes up when the sample size goes up). a. lessens the influence of outliers by only taking into consideration 50% of the distribution b. it takes into account all the scores of a distribution c. it varies too much as a function of sample size d. it is difficult to compute QUESTION 23 With a mean of 100 and a standard deviation of 15, what percentage of z scores would fall above 150? O a. 99.96 O b. .04 O c. 100 O d. 49.96