Question
A researcher wants to test a new padding for a pillow. They give 100 people the old padded pillows and 100 people the new padded
A researcher wants to test a new padding for a pillow. They give 100 people the old padded pillows and 100 people the new padded pillows and record the number of continuous hours each person sleeps. What datagathering technique is used?
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Elementary Theory Of Numbers
Authors: William J LeVeque
1st Edition
0486150763, 9780486150765
