19. A study estimated the average height (in inches) of males in Texas under the

Question

19. A study estimated the average height (in inches) of males in Texas under the age of 40,to be 69.8 inches with a standard deviation of 2.5 inches. Which of the following would you need to calculate the 95% CI for the average height of males under the age of 40 in Texas? a. proportion of males under age 40 b. total number of males in Texas c. total number of subjects included in the study d. all of the above e. none of the above 20. A study estimated the average height (in inches) of males in Texas under the age of 40, to be 69.8 inches with a standard deviation of 2.5 inches. Which of the following might be the 95% CI estimate for the average height of males in Texas under the age of 40? a. (65.3, 68.3) b. (68.8, 70.8) c. (70.2, 72.2) d. all of the above e. none of the above

Explanation / Answer

19)option C is correct which is required to calulate std error as well critical value of t distribution

20)

option B is correct as it contains average height of sample

please revert for any clarification

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