Answer
Np.
Work Step by Step
The experiment shows that the hypothesis can be true, but it fails to study a large enough portion of the population. E.g. if people in Wichita and Cambridge knew each other, the data would be skewed.
Elementary Statistics (12th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0321836960
ISBN 13:
978-0-32183-696-0
Chapter 1 - Introduction to Statistics - Review - From Data To Decision - Page 40: 2
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