According to the norms established for a mechanical aptitude test persons who are 18 years old...
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According to the norms established for a mechanical aptitude test persons who are 18 years old have an average height of 73.2 with S.D of 8.6. If 45 randomly selected persons of that age averaged 76.7 test the null hypothesis = 73.2 against the alternative hypothesis u> 73.2 at the level of significance 0.01 According to the norms established for a mechanical aptitude test persons who are 18 years old have an average height of 73.2 with S.D of 8.6. If 45 randomly selected persons of that age averaged 76.7 test the null hypothesis = 73.2 against the alternative hypothesis u> 73.2 at the level of significance 0.01
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John E Freunds Mathematical Statistics With Applications
ISBN: 9780134995373
8th Edition
Authors: Irwin Miller, Marylees Miller
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