7.) Find the percentile rank of a test score of 49 in the data set:                         12, 28, 35, 42, 47, 49, 50      a.74.37%                  b. 75.47%                    c. 76.67%              d. 78.57% 8.) The following scores in Statistics Final Exam are as follows:                         2, 3, 5, 6, 8, 10, 12, 15, 18, 20.             Find the value corresponding to the 25th percentile.       a.2                            b. 3                              c. 5                        d. 6   9.) An IQ test has a mean of 105 and a standard deviation of 20. Find the z-score of the IQ value is 88. 0.85                       b. - 0.85                       c. 0.25                   d. – 0.25

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