QUESTION 7Suppose we want to know whether the mean of unemployment differs among the residents of two local communities. Sample information is as follows:Community ACommunity B2.8 monthsSample mean3.4 monthsS1.1 month0.8 month5262Using a=.05, check for homoscedasticity and report the test statistic F.

Assume that the variance of unemployment in Community A is σ12 and the variance of unemployment in…

Answered: Suppose we want to know whether the…

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 11 paintings on its walls. Is the mean larger 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. 12, 13, 12, 12, 12, 11, 13, 12, 13, 11, 10, 12, 11, 13 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: Select an answer H1: Select an answer 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 f. Based on this, we should | Select an answer the null hypothesis. g. Thus, the final conclusion is that ... The data suggest the population mean is not significantly more than 11 at a = 0.05, so there is sufficient evidence to conclude that the population mean number of paintings that are in teachers' houses…
c. The test-statistic for this data = (Please show your answer to three decimal places.) d. The p-value for this sample (Please show your answer to four decimal places.)
What is the median value of the attached histogram?
Use the following data to answer the following questions: 5, 10, 11, 6, 10, 13, 8 1. The mean value is __________.* 2. The median value is __________.* 3. The mode is __________.* 4. The first quartile is __________.* 5. The third quartile is __________.*
The average house has 14 paintings on its walls. Is the mean larger 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. 15, 13, 16, 16, 17, 14, 14, 15, 13, 13, 15, 16, 15, 16 What can be concluded at the a = 0.01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: ? Select an answer v H: ?v Select an answer v c. 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 ? va 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 population mean number of paintings that are in teachers' houses is not significantly more than 14 at a = 0.01, so there is insufficient evidence to conclude that…
2. The data set are 17, 15.12, 15.9, 11, what is the mean value? a. 59.02 b. 14.76 c. 13.75 d. 12.17 3 What is the median
The following refer to the following data set: 69.4 63.3 68.4 56.9 81.4 81.4 40.6 79.8 56 81.4 What is the arithmetic mean of this data set? mean = What is the median of this data set? median = What is the mode of this data set? mode =
. What are the values of SS and variance s? for the following sample of n=3 scores? Sample: 1, 4, 7
The following refer to the following data set: 52.2 20.1 38.2 16.4 52.2 44.7 35.6 26.9 52.2 31.2 What is the arithmetic mean of this data set? mean = What is the median of this data set? median = What is the mode of this data set? mode =
How many sources of between-group variation are measured in a two-way between-subjects ANOVA? Group of answer choices a. 4 b. 2 c. 3 d. 5
Typed plz do question same as question is asking plz
Compute the measures of central tendency (mean, median, mode) and the measures of variation(range, variance, standard deviation) of the following and provide a detailed explanation of howyou come up with your answer. a. Consider the data as POPULATION 6,8,8,10,10,10,10,10,12,12,14 b. Consider the data as SAMPLE 6,6,6,8,8,10,12,12,14,14,14

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