Testing:Ho: p = 0.63H₁: p < 0.63Your sample consists of 98 subjects, with 58 successes. Calculate the test statistic, rounded to 2 decimalplacesZ

Suppose that p is the true population proportion of successes.

Answered: Testing: Ho: p=0.63 H₁: p < 0.63 Your…

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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mean if the 90% G for the population mean is (-2.58, 7.54) what is the sample Oa 248 Ob. 10.12 Oc5.06 Od can't be found
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Claim: : P = 0.23; a 0.10; Sample Statistics : P = 0.17₁ n = 100 A.) Find the 2- test static. Select the Correct Choice below and, if necessary, fill in the answer box to Complete Your choice. 2 = ( Round to two decimal places as needed) 0 3.) What is the result of the test Reject or fail to reject? ?
Fill in the missing values. One-Sample T: X Test of mu=91 vs not = 91 Variable: X N: 25 Mean: 92.5805 StDev: ? SE Mean: 0.4673 95% CI: (91.6160, ?) T: 3.38 P: 0.002
Pick the Test (Z-test, Single Sample T-test, Independent Sample T-test, Paired Sample Ttest, ANOVA): 9. You are studying procrastination on your campus and find a measure with good norms for college students ( = 4.37; = .89). You test whether your sample mean on this measure is different from the general college population. Which of the following statistics would you use for your test? Test: ___________
Pick the Test (Z-test, Single Sample T-test, Independent Sample T-test, Paired Sample Ttest, ANOVA): 19. You are studying procrastination on your campus and find a measure with good norms for college students ( = 4.37; = .89). You test whether your sample mean on this measure is different from the general college population. Which of the following statistics would you use for your test? Test: _____________________
PROPORTIONS Sample Size: Calculate the sample size. A previous study showed that 69% of community college students have read a book for personal enjoyment during the school year. If a new study were to be done in order to reduce the margin of error to 1%, how many students should be sampled?
90%
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Proportions On April 15th, 1912, the R.M.S. Titanic sank into the North Atlantic Ocean, resulting in the loss of more than 1,500 passengers and crew. Below is a table which summarizes the total number of passengers and the number of survivors for the crew, first-, second-, and third-class. Find the proportion of survivors by type of service (crew, first, second, third). Test the hypothesis at the 95% confidence level that the proportion of first-class survivors is the same as .50. What do you calculate for the test-statistic? What is the critical statistic? What is the conclusion of your hypothesis test? Class Passengers Survived Crew 885 212 First 325 202 Second 285 118 Third 706 178 Total 2201 710
Claim: p = 30; a = 0.06; o = 3.25. Sample statistics: x= 28.9, n 73 Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) CA. The critical values are + 1.88 O B. The critical value is Determine the outcome and conclusion of the test Choose the correct answer below. A. Fail to reject Ho At the 6% significance level, there is not enough evidence to support the claim, O B. Reject H, At the 6% significance level, there is enough evidence to support the claim. O C. Reject H At the 6% significance level, there is enough evidence to reject the claim O D. Fail to reject H,. At the 6% significance level, there is not enough evidence to reject the claim

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Testing: Ho: p=0.63 H₁: p < 0.63 Your sample consists of 98 subjects, with 58 successes. Calculate the test statistic, rounded to 2 decimal places 2