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The average house has 10 paintings on its walls. Is the mean different for houses owned by teachers? The data show the results of a survey of 14 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 10, 9, 13, 13, 9, 10, 13, 12, 10, 12, 12, 12, 12, 11 What can be concluded at the a=0.10 level of significance?

The average house has 10 paintings on its walls. Is the mean different for houses owned by teachers? The data show the results of a survey of 14 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 10, 9, 13, 13, 9, 10, 13, 12, 10, 12, 12, 12, 12, 11 What can be concluded at the a=0.10 level of significance?

MATLAB: An Introduction with Applications
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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The average house has 10 paintings on its walls. Is the mean different for houses owned by teachers? The data show the results of a survey of 14 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 10, 9, 13, 13, 9, 10, 13, 12, 10, 12, 12, 12, 12, 11 What can be concluded at the a = 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho? Select an answer H₁: V Select an answer ✓ c. The test statistic ? d. The p-value = e. The p-value is ? ✓ a f. Based on this, we should g. Thus, the final conclusion is that ... = (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) Select an answer the null hypothesis. O The data suggest the populaton mean is significantly different from 10 at x = 0.10, so there is sufficient evidence to conclude that the population mean number of paintings that are in teachers' houses is different from 10. The data suggest the population mean is not significantly different from 10 at a = 0.10, so there is sufficient evidence to conclude that the population mean number of paintings that are in teachers' houses is equal to 10. O The data suggest that the population mean number of paintings that are in teachers' houses is not significantly different from 10 at x = 0.10, so there is insufficient evidence to conclude that the population mean number of paintings that are in teachers' houses is different from 10. h. Interpret the p-value in the context of the study. O There is a 0.53% chance that the population mean number of paintings that are in teachers houses is not equal to 10. O If the population mean number of paintings that are in teachers' houses is 10 and if you survey another 14 teachers then there would be a 0.53% chance that the population mean would either be less than 9 or greater than 11. O If the population mean number of paintings that are in teachers' houses is 10 and if you survey another 14 teachers, then there would be a 0.53% chance that the sample mean for these 14 teachers would either be less than 9 or greater than 11. There is a 0.53% chance of a Type I error. i. Interpret the level of significance in the context of the study. O If the population mean number of paintings that are in teachers' houses is 10 and if you survey another 14 teachers, then there would be a 10% chance that we would end up falsely concuding that the population mean number of paintings that are in teachers' houses is different from 10. O If the population mean number of paintings that are in teachers' houses is different from 10 and if you survey another 14 teachers, then there would be a 10% chance that we would end up falsely concuding that the population mean number of paintings that are in teachers' houses is equal to 10. O There is a 10% chance that teachers are so poor that they are all homeless. There is a 10% chance that the population mean number of paintings that are in teachers' houses is different from 10.
Transcribed Image Text:The average house has 10 paintings on its walls. Is the mean different for houses owned by teachers? The data show the results of a survey of 14 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 10, 9, 13, 13, 9, 10, 13, 12, 10, 12, 12, 12, 12, 11 What can be concluded at the a = 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho? Select an answer H₁: V Select an answer ✓ c. The test statistic ? d. The p-value = e. The p-value is ? ✓ a f. Based on this, we should g. Thus, the final conclusion is that ... = (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) Select an answer the null hypothesis. O The data suggest the populaton mean is significantly different from 10 at x = 0.10, so there is sufficient evidence to conclude that the population mean number of paintings that are in teachers' houses is different from 10. The data suggest the population mean is not significantly different from 10 at a = 0.10, so there is sufficient evidence to conclude that the population mean number of paintings that are in teachers' houses is equal to 10. O The data suggest that the population mean number of paintings that are in teachers' houses is not significantly different from 10 at x = 0.10, so there is insufficient evidence to conclude that the population mean number of paintings that are in teachers' houses is different from 10. h. Interpret the p-value in the context of the study. O There is a 0.53% chance that the population mean number of paintings that are in teachers houses is not equal to 10. O If the population mean number of paintings that are in teachers' houses is 10 and if you survey another 14 teachers then there would be a 0.53% chance that the population mean would either be less than 9 or greater than 11. O If the population mean number of paintings that are in teachers' houses is 10 and if you survey another 14 teachers, then there would be a 0.53% chance that the sample mean for these 14 teachers would either be less than 9 or greater than 11. There is a 0.53% chance of a Type I error. i. Interpret the level of significance in the context of the study. O If the population mean number of paintings that are in teachers' houses is 10 and if you survey another 14 teachers, then there would be a 10% chance that we would end up falsely concuding that the population mean number of paintings that are in teachers' houses is different from 10. O If the population mean number of paintings that are in teachers' houses is different from 10 and if you survey another 14 teachers, then there would be a 10% chance that we would end up falsely concuding that the population mean number of paintings that are in teachers' houses is equal to 10. O There is a 10% chance that teachers are so poor that they are all homeless. There is a 10% chance that the population mean number of paintings that are in teachers' houses is different from 10.
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