Three sections of the same elementary mathematics course are taught by 3 teachers. The final grades were recorded in the table. Is there a significant difference in the average grades given by the 3 teachers? Use a 0.05 level of significance. Teacher A В C 73 88 68 89 78 79 82 48 56 43 91 91 80 51 71

Three sections of the same elementary mathematics course are taught by 3 teachers. The final grades were recorded in the table. Is there a significant difference in the average grades given by the 3 teachers? Use a 0.05 level of significance. Teacher A В C 73 88 68 89 78 79 82 48 56 43 91 91 80 51 71

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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