10) The average height of males in the freshmen class of a certain college has been 68.5 inches. Is there a reason to believe that there has been no change in the average height if a random sample of...


10) The average height of males in the freshmen class of a certain college has been 68.5 inches. Is<br>there a reason to believe that there has been no change in the average height if a random sample<br>of 50 males in the present freshmen class has an average height of 69.7 inches with a standard<br>deviation of 2.7 inches? Use a 0.01 level of significance.<br>Solution:<br>I.<br>Statement of the Hypothesis:<br>Но<br>H1<br>II.<br>Statistical Test:<br>III.<br>Level of Significance and Critical Value:<br>IV.<br>Computed value of Z:<br>V.<br>Conclusion:<br>

Extracted text: 10) The average height of males in the freshmen class of a certain college has been 68.5 inches. Is there a reason to believe that there has been no change in the average height if a random sample of 50 males in the present freshmen class has an average height of 69.7 inches with a standard deviation of 2.7 inches? Use a 0.01 level of significance. Solution: I. Statement of the Hypothesis: Но H1 II. Statistical Test: III. Level of Significance and Critical Value: IV. Computed value of Z: V. Conclusion:

Jun 07, 2022
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