8.22 Consider the test of Ho: μ = 7. For each of the following, find the p-value of the test: a. Ha >7, z = 1.20 < b. Ha 7, z = -1.20 c. Ha μ7, z = 1.20
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- calculate the standard score of the given x value x=36.5 where u= 36.5 and a=36.7For a chi-square test for independence or goodness of fit, which of the following is true?. Select one: a. Σfe = Σfo b. Σfe = n c. neither Σfe = n nor Σfe = Σfo d. Σfe = n = ΣfoPls. answer all the given questions with solutions. will upvote if complete, thanks!
- Answer to part g and hTwo universities give samples of students the same exam. School A records the follwoing sample statistics: ā1=73, 8,=5.5, ni =80. School B records the follwoing sample statistics: z=69, ,=4.4, n2 =90. We wish to build a 95 % cofidence interval to estimate the difference in means between these schools. Define your variable: O Let p be the proprotion School A students that were higher than School B. Let u the mean test score that School A was higher than School B. Let u be the mean test score. O Let u be the mean test score at School A. Create and interpret a 95% Confidence Interval. Round your answers to one decimal place. Select an answer and Select an answer What is the margin of error? Round your answer to one decimal place. Do these results suggest that School A might have higher means on this test? ? Do these results PROVE that School A might have higher means on this test? The campus president at School A made the following statement. "Our students score an average of 5 points…In testing the hypotheses H0:p = 0.62 vs Ha: p≠ 0.62, the test statistic is calculated to be z = 2.11. Which of the following is the correct p-value? A. 0.0348 B. 0.0174 C. 0.9862 D. 1.9652
- Please show TI 84 steps.Find the standardized test statistic t for a sample with n= 15, x= 10.2, s 0.8, and a= 0.05 if H: H 2 9.9. Round your answer to three decimal places. A. 1.728 B. 1.452 C. 1.631 D. 1.312 Click to select your answer. P Type here to search a +66 hp 2) 立The results of a one sample t test are reported as follows: T(24) = 1.70, p>.05. Based on these results how many participants were in the sample?
- This Find the standardized test statistic t for a sample with n320, x= 14.7, s=2.0, and a = 0.05 if Ha: u < 15.1. Round your answer to two decimal places. Find O A. -0.89 Right В. -1.27 O A OC. -1.23 O B O D. -0.87 Click to select your answer. Click t (? P Type here to searchYou are doing a T-test and get a Standardized Test Statistic (STS) of T = 0.9, with d. f. = 23. Round answers to 4 decimals. Find the P-value for a: a. right tailed test : b. left tailed test : a. two tailed test : Submit Question 13 MacBook Air esc 00 F3 600 O00 F4 F1 F2 F5 %23 2 tab R. # 3Given that degrees of freedom is 22 at 95% confidence, the value of t =_________.Select one:a. 1.383b. -1.383c. 2.074d. -1.721
