Mathematics, 28.08.2020 01:01 Csoard2004

In order to compare two textbooks, a teacher recommends one book to one class and another book to another class. At the end of the year, the classes are each tested. The results are detailed below. Text A 44 52 95 76 13 94 83 72 55 81 22 25 64 Text B 65 72 48 63 68 59 68 62 75 79 81 72 64 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?

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In order to compare two textbooks, a teacher recommends one book to one class and another book to an...