Mathematics, 27.04.2021 01:10 dannyo6680

1. The heights of 9 students of a class are as follows (in cm): 155, 160, 145, 150, 147, 152, 144 148
a. Find the average height of the students in this class.
b. Is this a sample or a population? Explain
c. What is the mean absolute deviation of this data set?

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I really need help this is an important grade please

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1. The heights of 9 students of a class are as follows (in cm): 155, 160, 145, 150, 147, 152, 144...