The average height of students in a freshman class of a certain school has been 161.27 cm with a population standard deviation of 6.5 cm. Is there a reason to believe that there has been a change in the average height if a random sample of 45 students in the present freshman class has an average height of 150.6 cm? Use a 0.05 level of significance. What are the given? Write only the number.: population mean:Blank 1 cm population standard deviation:Blank 2 cm sample size:Blank 3 sample mean:Blank 4 cm level of significance:Blank 5 What are the critical values? Write the positive critical value first then the negative. z:Blank 6 andBlank 7 What is the value of the calculated z? Round your answer to the nearest hundredths. z:Blank 8 Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer Blank 4 Add your answer Blank 5 Add your answer

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The average height of students in a freshman class of a certain school has been 161.27 cm with a population standard deviation of
6.5 cm. Is there a reason to believe that there has been a change in the average height if a random sample of 45 students in the
present freshman class has an average height of 150.6 cm? Use a 0.05 level of significance.
What are the given? Write only the number.:
population mean:Blank 1 cm
population standard deviation:Blank 2 cm
sample size:Blank 3
sample mean:Blank 4 cm
level of significance:Blank 5
What are the critical values? Write the positive critical value first then the negative.
z:Blank 6 andBlank 7
What is the value of the calculated z? Round your answer to the nearest hundredths.
z:Blank 8
Blank 1
Add your answer
Blank 2
Add your answer
Blank 3
Add your answer
Blank 4
Add your answer
Blank 5
Add your answer
Transcribed Image Text:The average height of students in a freshman class of a certain school has been 161.27 cm with a population standard deviation of 6.5 cm. Is there a reason to believe that there has been a change in the average height if a random sample of 45 students in the present freshman class has an average height of 150.6 cm? Use a 0.05 level of significance. What are the given? Write only the number.: population mean:Blank 1 cm population standard deviation:Blank 2 cm sample size:Blank 3 sample mean:Blank 4 cm level of significance:Blank 5 What are the critical values? Write the positive critical value first then the negative. z:Blank 6 andBlank 7 What is the value of the calculated z? Round your answer to the nearest hundredths. z:Blank 8 Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer Blank 4 Add your answer Blank 5 Add your answer
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