Question
the average height of males in the freshman class of a certain college has been 174.5 centimeters, with standard deviation of 6.9 centimeters. Is there
the average height of males in the freshman class of a certain college has been 174.5 centimeters, with standard deviation of 6.9 centimeters. Is there reason to believe that there has been a change in the average height if a random sample of 49 males in the present freshman class has an average height of 177.2 centimeters? Use a 0.02 level of significance.
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Probability & Statistics For Engineers & Scientists
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
7th Edition
9789813131279, 130415294, 9813131276, 978-0130415295
