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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