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Question 1 The average height of students in a freshman class ofa certain school has been 153.24 cm with a population standard deviation of 4.03 cm. Is there a reason to believe that there has beena change in the average height if a random sample of 41 students in the present freshman class has an average height of 170.16 cm? Use a 0.05 level of significance. What are the given? Write only the number.: a. population mean: cm b. population standard deviation: cm C. sample size: d. sample mean: cm e. level of significance: f. What are the critical values? Write the positive critical value first then the negative. z: _and e.What is the value of the calculated z? Round your answer

Question 1 The average height of students in a freshman class ofa certain school has been 153.24 cm with a population standard deviation of 4.03 cm. Is there a reason to believe that there has beena change in the average height if a random sample of 41 students in the present freshman class has an average height of 170.16 cm? Use a 0.05 level of significance. What are the given? Write only the number.: a. population mean: cm b. population standard deviation: cm C. sample size: d. sample mean: cm e. level of significance: f. What are the critical values? Write the positive critical value first then the negative. z: _and e.What is the value of the calculated z? Round your answer

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Question 1 The average height of students in a freshman class ofa certain school has been 153.24 cm with a population standard deviation of 4.03 cm. Is there a reason to believe that there has beena change in the average height if a random sample of 41 students in the present freshman class has an average height of 170.16 cm? Use a 0.05 level of significance. What are the given? Write only the number.: a. population mean: cm b. population standard deviation: cm C. sample size: d. sample mean: cm e. level of significance: f. What are the critical values? Write the positive critical value first then the negative. z: _and_ e.What is the value of the calculated z? Round your answer to the nearest hundredths.
Transcribed Image Text:Question 1 The average height of students in a freshman class ofa certain school has been 153.24 cm with a population standard deviation of 4.03 cm. Is there a reason to believe that there has beena change in the average height if a random sample of 41 students in the present freshman class has an average height of 170.16 cm? Use a 0.05 level of significance. What are the given? Write only the number.: a. population mean: cm b. population standard deviation: cm C. sample size: d. sample mean: cm e. level of significance: f. What are the critical values? Write the positive critical value first then the negative. z: _and_ e.What is the value of the calculated z? Round your answer to the nearest hundredths.
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