Are most student government leaders extroverts? According to Myers-Briggs estimates, about 82% of college student govemment leaders are extroverts.t Suppose that a Myers-Briggs personality preference test was given to a random sample of 72 student govemment leaders attending a large national leadership conference and that 55 were found to be extroverts. Does this indicate that the population proportion of extroverts among college student government leaders is different (either way) from 82%? Use a = 0.01. A USE SALT (a) What is the level of significance? State the null and alternate hypotheses. Hip= 0.82; H,1 p < 0.82 •DH,:p- 0.82; H, : p * 0.82 H,ip > 0.82; H, i p = 0.82 Hgip 0.82; H,1 p - 0.82 Hoip= 0.82; H,: p > 0.82 (b) What sampling distribution will you use? O The standard normal, since np > 5 and ng > 5. O The standard normal, since np « 5 and ng < 5. O The Student's t. since np < 5 and ng < 5. O The Student's t, since np > 5 and ng > 5. What is the value of the sample test statistic? (Round your answer to two decimal places.) (c) Find the Prvalue of the test statistic. (Round your answer to four decimal places.)
Are most student government leaders extroverts? According to Myers-Briggs estimates, about 82% of college student govemment leaders are extroverts.t Suppose that a Myers-Briggs personality preference test was given to a random sample of 72 student govemment leaders attending a large national leadership conference and that 55 were found to be extroverts. Does this indicate that the population proportion of extroverts among college student government leaders is different (either way) from 82%? Use a = 0.01. A USE SALT (a) What is the level of significance? State the null and alternate hypotheses. Hip= 0.82; H,1 p < 0.82 •DH,:p- 0.82; H, : p * 0.82 H,ip > 0.82; H, i p = 0.82 Hgip 0.82; H,1 p - 0.82 Hoip= 0.82; H,: p > 0.82 (b) What sampling distribution will you use? O The standard normal, since np > 5 and ng > 5. O The standard normal, since np « 5 and ng < 5. O The Student's t. since np < 5 and ng < 5. O The Student's t, since np > 5 and ng > 5. What is the value of the sample test statistic? (Round your answer to two decimal places.) (c) Find the Prvalue of the test statistic. (Round 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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