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allowance for zinc among males older than age 50 years is 15 mg/day. An article reports the following summary data on intake for a sample of males age 65-74 years: n = 115, x = 11.2, and s= 6.48. Does this data indicate that population of all males age 65-74 falls below the recommended allowance? (Use a = 0.05.)

allowance for zinc among males older than age 50 years is 15 mg/day. An article reports the following summary data on intake for a sample of males age 65-74 years: n = 115, x = 11.2, and s= 6.48. Does this data indicate that population of all males age 65-74 falls below the recommended allowance? (Use a = 0.05.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**Title: Calculating the Test Statistic and Determining the P-value** **Instructions:** Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.) **Input Fields:** - z = [Text Box] - P-value = [Text Box]
Transcribed Image Text:**Title: Calculating the Test Statistic and Determining the P-value** **Instructions:** Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.) **Input Fields:** - z = [Text Box] - P-value = [Text Box]
The recommended daily dietary allowance for zinc among males older than age 50 years is 15 mg/day. An article reports the following summary data on intake for a sample of males age 65–74 years: \( n = 115, \ \bar{x} = 11.2 \), and \( s = 6.48 \). Does this data indicate that the average daily zinc intake in the population of all males age 65–74 falls below the recommended allowance? (Use \( \alpha = 0.05 \).) State the appropriate null and alternative hypotheses.
Transcribed Image Text:The recommended daily dietary allowance for zinc among males older than age 50 years is 15 mg/day. An article reports the following summary data on intake for a sample of males age 65–74 years: \( n = 115, \ \bar{x} = 11.2 \), and \( s = 6.48 \). Does this data indicate that the average daily zinc intake in the population of all males age 65–74 falls below the recommended allowance? (Use \( \alpha = 0.05 \).) State the appropriate null and alternative hypotheses.
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