Reading Comprehension Frequency Distribution IL. 70 90 100 110 120 More STD SCORE Verbal IQ Frequency Distribution 90 100 110 STD SCORE 120 More Frequency Frequency Subject Verbal IQ Rdg. Comp. 1 90 88 10 2 99 97 5 34 101 110 0 115 121 5 97 98 6 98 95 7 92 89 8 104 109 9 103 100 10 10 10 117 100 11 100 96 12 98 101 Frequency 13 96 105 14 105 105 15 78 80 16 121 99 17 82 75 18 85 89 19 81 78 20 82 86 MEAN 97 96 Reading Scores MEDIAN 98 97 MODE 98 89 STD.DEV. 11.8 11.2 RANGE 43 46 CORREL VERB X RDG 0.79 120 110 100 90 80 70 75 85 95 105 Verbal IQ Score 115 125 I. Using the provided data and graphs, describe the frequency distribution for the IQ test: a) What is a typical score for this sample? b) How variable are the scores? c) How are the scores distributed? II. Using the provided data and graphs, describe the frequency distribution of the reading test scores: a) What is a typical score for this sample? b) How variable are the scores? c) How are the scores distributed? III. Consider the correlation data given the provided data and graph: a) How are IQ and reading achievement related? IV. Evaluate the data from a psychological testing perspective: a) Are these samples good representations of the general population? How do you know? b) What could you do to make them a more representative sample? c) How would you interpret the correlation results? d) What are some ways this knowledge of their relationship could be used?