Forty students at a local high school are polled on if they have smoked before. The results are that 23 have not and 17 have smoked. O JMP Applet mp Distributions Smoked? Frequencies Test Probabilities Level Estim Prob Hypoth Prob 0.75000 0.25000 z Test Prob > |z| Test Statistic 2.5560 0.0106* Level Count Prob N 23 0.57500 N 0.57500 Y 17 0.42500 Y 0.42500 Total 40 1.00000 N Missing 2 Levels Method: Fix hypothesized values, rescale omitted Click here to access the JMP applet in a new window. O (a) The national average of high school students who have smoked is 25% and a company is interested in seeing if this particular high schoo a statistically different proportion of smokers. What is the hypothesis test? O H;: < 0.25 Hiµ > 0.25 Ο Η: με 0.25 H,: u = 0.25 O Ho: p = 0.25 H:p = 0.25 O Ho:p = 0.25 H:p > 0.25 O Ho:p > 0.25 H:p < 0.25 O (b) Give the test statistic for the given hypothesis test. (Enter your answer to four decimal places.)
Forty students at a local high school are polled on if they have smoked before. The results are that 23 have not and 17 have smoked. O JMP Applet mp Distributions Smoked? Frequencies Test Probabilities Level Estim Prob Hypoth Prob 0.75000 0.25000 z Test Prob > |z| Test Statistic 2.5560 0.0106* Level Count Prob N 23 0.57500 N 0.57500 Y 17 0.42500 Y 0.42500 Total 40 1.00000 N Missing 2 Levels Method: Fix hypothesized values, rescale omitted Click here to access the JMP applet in a new window. O (a) The national average of high school students who have smoked is 25% and a company is interested in seeing if this particular high schoo a statistically different proportion of smokers. What is the hypothesis test? O H;: < 0.25 Hiµ > 0.25 Ο Η: με 0.25 H,: u = 0.25 O Ho: p = 0.25 H:p = 0.25 O Ho:p = 0.25 H:p > 0.25 O Ho:p > 0.25 H:p < 0.25 O (b) Give the test statistic for the given hypothesis test. (Enter your answer to four decimal places.)
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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