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Question 13Any percentile point for a distribution of scores must have a value equal to one of the scores.

True

False

Flag this Question Question 14If a curve is negatively skewed, most of the scores occur at the higher values and the curve tails off toward the lower end of the horizontal axis.

True

False

Flag this Question Question 15A frequency distribution of grouped scores is used for distributions that have relatively few scores to stretch them out.

True

Question 16A stem and leaf diagram contains more information than a histogram.

True

False

Flag this Question Question 17 The median and the 50th percentile rank score will always have the same value. The median and the 50th percentile rank score will always have the same value.

True

False

Question 18When calculating the population standard deviation, we useN-1 in the denominator.

True

False

Flag this Question Question 19Central tendency describes the central location of the set of scores.

True

False

Flag this Question Question 20If the number of raw scores is odd, the median is always the score in the middle position.

True