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QUESTION 1 1) Refer to the table below to answer questions 1-4 Some of the IQ scores of 250 students are given in the following

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QUESTION 1 1) Refer to the table below to answer questions 1-4 Some of the IQ scores of 250 students are given in the following table IQ SCORES 102 104 110 112 114 120 122 Z-SCORES -2.5 -2.0 -0.5 0 0.5 2 2.5 %ILE RANK 10 15 25 40 50 75 99 By observation of the table, determine the mean O a. none of the choices O b. 122 O c. 114 O d. 112

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