MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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- What is the F value? Is the null hypothesis rejected or not rejected? Draw Conclusion.arrow_forwardYou receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 31 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each. The results are shown in the table below. At a = 0.10, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 34 27 26 35 29 39 25 26 290 28 28 34 30 32 28 29 26 24 (a) Write the claim mathematically and identify Ho and Ha. Which of the following correctly states Ho and H3? O A. Ho: H= 31 B. Ho, μs 31 O c. Ho : μ= 3 Ha: H#31 Ha: u> 31 Ha: H31 OF. Ho: H231 Ha: u231 Ha: us 31 Ha: µ<31 (b) Use technology to find the P-value. P = (Round to three decimal places as needed.) (c) Decide whether to reject or fail to reject the null hypothesis. Which of the following is correct? O A. Reject Ho because the P-value is less than the significance level. O B. Fail…arrow_forwardYou receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 31 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each. The results are shown in the table below. At a = 0.05, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed Ha μ#31 33 26 (b) Use technology to find the P-value. 25 30 28 38 33 36 H₂ μ31 EN 25 28 310 24arrow_forward
- Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p = 0.4 versus H₁: p > 0.4 n = 125; x = 55; x = 0.05 Click here to view page 1 of the table. Click here to view page 2 of the table. Calculate the test statistic, Zo. = Zo 0.91 (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.)arrow_forwardAnswer the letter D onlyarrow_forwardIn 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. 1.9652arrow_forward
- Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p = 0.3 versus H1: p> 0.3 %3D n = 100; x = 45; a = 0.05 Click here to view page 1 of the table. Click here to view page 2 of the table. Calculate the test statistic, zo- Zo = (Round to two decimal places as needed.) Enter your answer in the answer box and then click Check Answer. 2 parts remaining Clear All Check Answer Screen Shot 202....png Show Allarrow_forwardA graduate student is designing a research study. She is hoping to show that the results of an experiment are statistically significant. What type of p-value would she want to obtain? a)A large p-value. b)A small p-value. c)The magnitude of a p-value has no impact on statistical significancearrow_forwardFor a one-sided t-test with H0 : μ ≤ 10 vs. Ha : μ > 10, which of the following t-statistics would result in the largest p-value? Explain why. A. 2.55 B. -2.55 C. 1.43 D. -1.33 E.3.22arrow_forward
- No calculations required. Choose correct answer only.arrow_forwardTest the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p=0.6 versus H,: p>0.6 n= 125; x= 90; a 0.05 Click here to view page 1 of the table. Click here to view page 2 of the table. Calculate the test statistic, zo: Zo !D (Round to two decimal places as needed.) Enter your answer in the answer box and then click Check Answer.arrow_forwardTest the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho: p=0.6 versus H₁: p > 0.6 n = 200; x = 125; a = 0.05 Click here to view page 1 of the table. Click here to view page 2 of the table. Calculate the test statistic, Zo- Zo = (Round to two decimal places as needed.) Identify the P-value. P-value= (Round to three decimal places as needed.) Choose the correct result of the hypothesis test for the P-value approach below. OA: Reject the null hypothesis, because the P-value is greater than α. OB. Reject the null hypothesis, because the P-value is less than α. OC. Do not reject the null hypothesis, because the P-value is greater than α. O D. Do not reject the null hypothesis, because the P-value is less than a. #3 80 F3 E $ 4 000 F4 R % 5 F5 T MacBook Air < 6 F6 Y & 7 AA F7 U * 0 8 DII F8 ( 9 DD F9 C I 0arrow_forward
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