- E Ga 88 Question 111 A Test Was Given To A Group Of Students The Grades And Gender Are Summarized Below A B C Total Ma 1 (30.08 KiB) Viewed 113 times
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Question 12 < > If n = 16, z = 48, and s= 10, construct a confidence interval at a 99% confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal place. < |<
Test the claim that the proportion of men who own cats is significantly different than 90% at the 0.05 significance level. 8. SEB al cula The null and alternative hypothesis would be: Ho: p=0.9 Ho:p= 0.9 Ho:p = 0.9 H₁:> 0.9 H₁:p> 0.9 H₁:p < 0.9 all. The test is: left-tailed two-tailed right-tailed O D Based on a sample of 20 people, 97% owned cats The test statistic is: The positive critical value is: Based on this we: Ho:μ = 0.9 Ho:p = 0.9 Ho:μ = 0.9 H₁: < 0.9 H₁:p 0.9 H₁:0.9 O O O Fail to reject the null hypothesis O Reject the null hypothesis (to 4 decimals) (to 4 decimals)
Ate The ga 70 12 Icula Question 16 You wish to test the following claim (H₁) at a significance level of a = 0.02. Ho: μ = 53.6 H₁:53.6 < > You believe the population is normally distributed, but you do not know the standard deviation. You obtain the following sample of data: 59.3 78 41 63.3 72.7 33.8 62.2 49.7 57.2 58.9 24.4 43.3 58.6 50 32.3 56.5 24.4 88.6 48.9 55.5 41 61.4 80.7 30.5 45.8 72 51.6 70.8 66.7 61.4 74.2 65 What is the critical value for this test? (Report answer accurate to four decimal places.) critical value=± test statistic- What is the test statistic for this sample? (Report answer accurate to four decimal places.) The test statistic is... O in the critical region O not in the critical region
Te ga cula Question 17 < You wish to test the following claim (H₁) at a significance level of a = 0.02. Ho: μ = 77.1 H:μ < 77,1 a sample of size n = You believe the population is normally distributed, but you do not know the standard deviation. You obtain 454 with mean M 76 and a standard deviation of SD = 6.1. > What is the test statistic for this sample? (Report answer accurate to four decimal places.) test statistic= € What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value= The p-value is... O less than (or equal to) a O greater than a This test statistic leads to a decision to... O reject the null accept the null O fail to reject the null