Can you answer #\'s 51-60? Measures of dispersion provide information abou typic

Question

Can you answer #'s 51-60?

Measures of dispersion provide information abou typical or most common score b. variety within the distribution of scores. c. size of the sample. d. adequacy of the selection criteria for the sample. 52. A "good" measure of dispersion should a. use all scores in a distribution. b. describe the average or typical deviation of the scores. c. be easy to calculate and interpret. d. All of the above 53. The income of a sample has been measured in dollars per year. Which of the following would be the preferred measure of the dispersion for this variable? a. The index of qualitative variation b. The average deviation c. The quartile deviation d. The standard deviation 54. The standard deviation(s) a. squares the deviations to eliminate minus values. b. decreases in value as distributions become more heterogeneous. c. does not use all the scores. d. is based on the median rather than the mean. 55. Which measure of dispersion is most important and most commonly used in research? a. The range b. The average deviation c. The median d. The standard deviation 56. A graph used to visualize and analyze dispersion is a a. pie chart b. boxplot c. histogram d. line chart 57. In a boxplot, an outlier is defined as a score that is a. greater than 1.5 times the height of the box. b. less than 1.5 times the height of the box. 11 |Page

Explanation / Answer

51) Variety within the distribution of scores.

52)all of the above

53)the standard deviation

54)squares the deviation to eliminate the negative values

55)the standard deviation

56)a box plot

57)greater than 1.5 times the height of a box

58)dispersion

59)there is no variation in the scores

60)the range

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