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For questions 6a & 6b, calculate the mean for each group: 6a) Textbook A 6b) Textbook B Mean: ______________ Mean: ______________ 6) Which class performed better? 7) If the standard deviation for Class A was 26.3 and the standard deviation for Class B was 8.5, which class was more consistent?

Answer :

breiaforwood

Answer:

44 52 95 76 13 94 83 72 55 81 22 25 64

The mean is: 59.7

65 72 48 63 68 59 68 62 75 79 81 72 64

The mean is: 67.4

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