For items 10-15, refer to this word problem: In one research, the average height of Filipinos is 156.41 cm. Suppose a random sample of 25 Filipino citizens were selected and it was determined that their mean height is 161.2 cm and the standard deviation is 15 cm. Using 0.01 level of significance, can it be concluded that the average height of Filipinos has increased? Assume normality over the population. 10. What is the null and alternative hypothesis in the problem above? A. Ho: u = 156.41 Ha:H # 156.41 B. Ho: H = 156.41 Ha:u S 156.41 C. Ho: u = 156.41 Ha:H<156.41 D. Ho: u = 156.41 Ha:u> 156.41 %3D 11. What is the level of significance? A. 0.05 B. 0.10 C. 0.01 D. 0.025 12. What test statistic should be used? A. t -test B. z - test C. D. o
For items 10-15, refer to this word problem: In one research, the average height of Filipinos is 156.41 cm. Suppose a random sample of 25 Filipino citizens were selected and it was determined that their mean height is 161.2 cm and the standard deviation is 15 cm. Using 0.01 level of significance, can it be concluded that the average height of Filipinos has increased? Assume normality over the population. 10. What is the null and alternative hypothesis in the problem above? A. Ho: u = 156.41 Ha:H # 156.41 B. Ho: H = 156.41 Ha:u S 156.41 C. Ho: u = 156.41 Ha:H<156.41 D. Ho: u = 156.41 Ha:u> 156.41 %3D 11. What is the level of significance? A. 0.05 B. 0.10 C. 0.01 D. 0.025 12. What test statistic should be used? A. t -test B. z - test C. D. o
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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