The average house has 15 paintings on its walls. Is the mean larger for houses owned by teachers? The datashow the results of a survey of 16 teachers who were asked how many paintings they have in their houses.Assume that the distribution of the population is normal.18, 15, 17, 14, 16, 17, 18, 15, 15, 14, 14, 14, 15, 15, 16, 18What can be concluded at the a =0.05 level of significance?a. For this study, we should use Select an answerb. The null and alternative hypotheses would be:Но:Select an answer vH1:Select an answer vc. The test statistic ? v =(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 ? vaf. Based on this, we should Select an answer v the null hypothesis.g. Thus, the final conclusion is that ...O The data suggest the population mean is not significantly more than 15 at a = 0.05, so there issufficient evidence to conclude that the population mean number of paintings that are inteachers' houses is equal to 15.%3DThe data suggest that the population mean number of paintings that are in teachers' houses isnot significantly more than 15 at a = 0.05, so there is insufficient evidence to conclude thatthe population mean number of paintings that are in teachers' houses is more than 15.%3DO The data suggest the populaton mean is significantly more than 15 at a = 0.05, so there issufficient evidence to conclude that the population mean number of paintings that are inteachers' houses is more than 15.%3D h. Interpret the p-value in the context of the study.O If the population mean number of paintings that are in teachers' houses is 15 and if you surveyanother 16 teachers then there would be a 4.27% chance that the population mean number ofpaintings that are in teachers' houses would be greater than 15.There is a 4.27% chance of a Type I error.There is a 4.27% chance that the population mean number of paintings that are in teachers'houses is greater than 15.O If the population mean number of paintings that are in teachers' houses is 15 and if you surveyanother 16 teachers then there would be a 4.27% chance that the sample mean for these 16teachers would be greater than 15.69.i. Interpret the level of significance in the context of the study.O There is a 5% chance that the population mean number of paintings that are in teachers'houses is more than 15.O If the population mean number of paintings that are in teachers' houses is 15 and if you surveyanother 16 teachers, then there would be a 5% chance that we would end up falsely concudingthat the population mean number of paintings that are in teachers' houses is more than 15.There is a 5% chance that teachers are so poor that they are all homeless.O If the population mean number of paintings that are in teachers' houses is more than 15 and ifyou survey another 16 teachers, then there would be a 5% chance that we would end up falselyconcuding that the population mean number of paintings that are in teachers' houses is equalto 15.

Name: The average house has 15 paintings on its walls. Is the mean larger f
Uploaded: 2024-03-20T07:06:16.000Z
Channel: Bartleby
Description: The average house has 15 paintings on its walls. Is the mean larger for houses owned by teachers? The datashow the results of a survey of 16 teachers who were asked how many paintings they have in their houses.Assume that the distribution of the pop

Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Math

Statistics

The average house has 15 paintings on its walls. Is the mean larger for houses owned by teachers? The data show the results of a survey of 16 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 18, 15, 17, 14, 16, 17, 18, 15, 15, 14, 14, 14, 15, 15, 16, 18 What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: ? v| Select an answer ♥ H1: ? v Select an answer v c. The test statistic ? v = (please show your answer to 3 decimal places.)

The average house has 15 paintings on its walls. Is the mean larger for houses owned by teachers? The data show the results of a survey of 16 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 18, 15, 17, 14, 16, 17, 18, 15, 15, 14, 14, 14, 15, 15, 16, 18 What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: ? v| Select an answer ♥ H1: ? v Select an answer v c. The test statistic ? v = (please show your answer to 3 decimal places.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Consider the data that was obtained from a random sample of 41 credit card accounts. Identify all the averages (mean, median, or mode) that can be used to summarize the name of credit card (e.g., MasterCard, Visa, American Express, etc.) O median if it exists mean and mode if it exists O mean, median, and mode if it exists O mode if it exists mean if it exists
The mean sales prices for a sample of homes in a city was $250,000. The median sales price of these same homes was $459,000 . The distribution of home sale prices in this city is: Right Skewed Cannot tell from mean and median alone. Symmetric Left Skewed
10 Students in Statistical Analysis of 27 students receives assessment grades of 90, 87, 99, 79, 89,87, 90, 90, 91, 92. Find the mean of these assessment scores.
Suppose the mean price for used cars is $10,198. A manager of a Kansas City used car dealership reviewed a sample of 50 recent used car sales at the dealership in an attempt to determine whether the population mean price for used cars at this particular dealership differed from the national mean. The prices for the sample of 50 cars are shown in the file named UsedCars. 12,400 10,400 12,100 10,000 11,000 8,895 7,675 9,975 6,350 10,470 9,895 11,250 8,795 12,500 9,340 10,150 9,200 9,395 11,000 10,640 10,000 7,500 8,000 10,440 10,200 10,300 9,740 9,280 10,930 8,000 9,000 7,680 9,400 10,730 7,350 12,240 11,970 8,240 9,910 10,080 9,440 8,970 9,500 10,050 10,130 11,400 8,500 7,500 9,090 10,500 (a) Formulate the hypotheses that can be used to determine whether a difference exists in the mean price for used cars at the dealership. H0: ? ≤ 10,198 Ha: ? > 10,198 H0: ? < 10,198 Ha: ? ≥ 10,198 H0: ? = 10,198 Ha: ? ≠ 10,198 H0: ? > 10,198 Ha: ? ≤ 10,198 H0: ? ≥ 10,198…
Q3. The time (in seconds) that a random sample of employees to complete a task is 35, 14, 37, 28, 45, 12, 40, 27, 13, 16. a) Find the mean, mode and median time to complete the task. Comment on the shape of the distribution.
4. There are 35 students in a class. Fifteen of them are men and 20 of them are women. The mean height of the men is 69.65 inches, and the mean height of all 35 students is 67.18 inches. What is the mean height of the women?
The sample of five companies in the aerospace industry was surveyed as to their return on investment last year. The results are 21, 17, 6, 21 and 23 Find the sample mean Find the Sample Variance Find the Sample Standard Deviation
29. In analysis of variance, an MS value is a measure of a. Variance b. the overall mean for the set of N scores c. the total variability for the set of N scores d. average differences among means
Q2. The 30% trimmed mean of the following data (120, 150, 170, 177, 178, 181, 198, 250, 450, 955} is: *
5. Which set of four test scores would have the biggest difference between the mean and the median? O A. 32, 85, 89, 91, 92, 92 O B. 72, 78, 79, 80, 82, 82 O C. 65, 70, 75, 80, 85, 90 O D. 30, 34, 39, 41, 48, 50