**Educational Website Transcription:**---**Study Context:**We are examining whether the average donation by Presbyterians differs from that of Catholics during Sunday church services. 55 Presbyterian church members were observed, donating an average of $23 with a standard deviation of $6. In contrast, 41 Catholic church members donated an average of $25 with a standard deviation of $10. Our aim is to determine if there is a statistically significant difference between these two groups at the α = 0.01 level.**Analysis Steps:****a. Study Methodology:**- For this study, we should use [Select an answer]**b. Null and Alternative Hypotheses:**- **$ H_0 $ (Null Hypothesis):** - [Select an answer] [Select an answer] [Select an answer] (please enter a decimal)- **$ H_1 $ (Alternative Hypothesis):** - [Select an answer] [Select an answer] [Select an answer] (Please enter a decimal)**c. Test Statistic:**- The test statistic $ ? $ = [_______] (please show your answer to 3 decimal places)**d. p-value:**- The p-value = [_______] (Please show your answer to 4 decimal places)**e. Comparison with α:**- The p-value is [Select a comparison] α**f. Decision on Null Hypothesis:**- Based on this, we should [Select an answer] the null hypothesis.**g. Conclusion:**- **Final Statements:**1. The results are statistically significant at α = 0.01, so there is sufficient evidence to conclude that the population mean amount of money that Presbyterians donate is a different amount of money compared to the population mean amount of money that Catholics donate.2. The results are statistically insignificant at α = 0.01, so there is statistically significant evidence to conclude that the population mean amount of money that Presbyterians donate is equal to the population mean amount of money that Catholics donate.3. The results are statistically insignificant at α = 0.01, so there is insufficient evidence to conclude that the population mean amount of money that Presbyterians donate is a different amount of money compared to the population mean amount of money that Catholics donate.4. The results are statistically significant at α = 0.01, so there is sufficient evidence to

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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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You want to buy a washing machine, and a salesperson tells you that the mean repair costs for Model A and Model B are equal. You research the repair costs. The mean repair cost of 29 Model A washing machines is $211. Assume the population standard deviation is $15. The mean repair cost of 26 Model B washing machines is $216. Assume the population standard deviation is $25. At a = 0.01, can you reject the salesperson's claim? Assume the samples are random and independent, and the populations are normally distributed. Complete parts (a) through (e). O A The mean repair cost for Model A is greater than Model B B. The mean repair costs for Model A and Model B are equal. O C. The mean repair cost for Model A is less than Model B O D. The mean repair costs for Model A and Model B are different. Let u, be the mean repair cost for Model A and let u, be the mean repair cost for Model B. What are Ho and H,? O B. Ho: H1 =H2 Hai H1 # H2 O E. Ho: H1 # H2 OC. Ho: H1 SH2 Hai H1>H2 OF. Ho: H1ZH2 Ha:…
The mean number of eggs per person eaten in the United States is 223. Do college students eat a different number of eggs than the average American? The 51 college students surveyed averaged 237 eggs per person and their standard deviation was 39.3. What can be concluded at the a = 0.01 level of significance? %3D a. For this study, we should use Select an answer b. The null and altemative hypotheses would be: H 2 Select an answer v H 2vSelect an answer v c. The test statistic ? (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is | ? v a f. Based on this, we should Select an answer V the null hypothesis. g. Thus, the final conclusion is that... O The data suggest that the populaton mean is significantly different from 223 at a = 0.01, so there is statistically significant evidence to conclude that the population mean number of eggs consumed by college students per year is different from 223. Toctor O The data…
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A random sample of 22 Midtown residents in Atlanta has been selected to be studied for their expenditure on theater tickets. The mean of spending for this group is $135 with a standard deviation of $39. The mean value of ticket expenditure in Atlanta that has been recorded for the past decade is $120. Discuss the below points: 1. What is the alternative hypothesis in this assignment? 2. Calculate the standard error of the mean for the study above. Please provide only typed answer solution no handwritten solution needed allowed
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Do political science classes require more writing than history classes? The 40 randomly selected political science classes assigned an average of 13.1 pages of essay writing for the course. The standard deviation for these 40 classes was 3.9 pages. The 53 randomly selected history classes assigned an average of 10.8 pages of essay writing for the course. The standard deviation for these 53 classes was 5.6 pages. What can be concluded at the a = 0.05 level of significance? For this study, we should use Select an answer ↑ a. The null and alternative hypotheses would be: Ho: Select an answer Select an answer Select an answer H₁: Select an answer Select an answer Select an answer b. The test statistic ? (please show your answer to 3 decimal places.) c. The p-value = (Please show your answer to 4 decimal places.) d. The p-value is ? a e. Based on this, we should Select an answer the null hypothesis. f. Thus, the final conclusion is that …..
Hi! I need your help. Thank you so much! A maintenance supervisor is comparing the standard version of an instructional booklet with one that has been claimed to be superior. An experiment is conducted in which 26 technicians are divided into two groups, provided with one of the booklets, then given a test a week later. For the 13 using the standard version, the average exam score was 72.0, with a standard deviation of 9.3. For the 13 given the new version, the average score was 80.2, with a standard deviation of 10.1. Using the 0.05 level of significance, what conclusion can be reached? Use Pooled-Variances T-Test.
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