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58 61 64 67 70 73 76 Test Scores Q Use the Empirical Rule to answer the following questions. a. The mean is b. The standard deviation is C. % of the test scores are between 64 and 70. d. * of the test scores are between 61 and 73. e. * of the test scores are between 58 and 76. f. % of the test scores are between 67 and 70. g- % of the test scores are less than 67. h. * of the test scores are less than 70