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Using the data for ENGG in Appendix D perform the

Using the data for ENGG in Appendix D perform the following:

(a) Calculate the variance and the standard deviation for ENGG.

(b) These measures should be greater than the corresponding measures on GPA. Can you explain why this should be? (We will come back to this later in Chapter 12, but see if you can figure it out.)

(a) Calculate the variance and the standard deviation for ENGG.

(b) These measures should be greater than the corresponding measures on GPA. Can you explain why this should be? (We will come back to this later in Chapter 12, but see if you can figure it out.)

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