The mean weight of both text books together is the average of their individual means: 8 + 6 / 2 = 14 / 2 = 7
Liv T.
asked • 03/11/21What is the mean weight of both of the textbooks?
A math teacher and a history teacher each assign their students a textbook for class. A math textbook has an average weight of 8.00lbs with a standard deviation of 0.4lbs. A history textbook has an average weight of 6.00lbs with a standard deviation of 0.2lbs.
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Liv T.
The standard deviation also needs to be factored in. I am just not sure how03/11/21