QUESTION 2A study is being carried out to see any differences in life satisfaction between young, middle-aged, and older men and women. A life satisfaction questionnaire is given to each participantin the research. A high degree of life satisfaction is indicated by a high score on thequestionnaire. The results are listed in the table below.Adult CategoriesGenderYoungMiddleOlderMen710Women71110The MINITAB output for the above data is as follows.Analysis of VarianceSourcegenderadult categories 2DFMS6.0008.667C 0.2250.1876.000A4.3344.00027.333ErrorTotalAssume all the assumptions of ANOVA are met, answer the following questions.e) Do the data provide enough evidence to indicate a difference in the mean life satisfactionscore using different adult categories at a 5% significance level? Use p-value225

If P-value is less than level of significance then reject the null hypothesis. Otherwise fail to…

Answered: A study is being carried out to see any…

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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Which of the following are the names commonly used for the variable Y in sample regression? 1. covariate variable 2. independent variable 3. predictor variable 4. Explained variable 5. Response variable 6. explanatory variable 7. Predicted variable 8. Dependent variable 9. Criterion variable
treatment conditions. a. Treatment 1 0 0 0 3 0 0 T=3 SS = 7.5 Treatment 2 2 3 1 3 2 1 T = 12 SS=4 Treatment 3 4 2 4 3 4 4 G=36 SStotal = 42 T = 21 SS = 3.5 Use an analysis of variance with a = .05 to determine whether these data indicate any significant mean differences among the treatments. Please organize all of your work on a source table E C
(a) Perform the analysis of variance (ANOVA) at the 5% significance level to identify is there any difference in the mean between the three populations. 1 2 3 94 71 84 96 82 87 87 87 93 89
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2. Introduction to variability A researcher is studying psychological factors in athletic achievement among teenage boys. One variable he is particularly interested in is competitiveness. What information does a measure of variability for the variable competitiveness convey? Check all that apply. What is the central tendency for the variable competitiveness among teenage boys? What is the average value for the variable competitiveness among teenage boys? Do all teenage boys have the same amount of competitiveness? How consistent are the values for competitiveness among teenage boys?
Does more education lower a person’s level of prejudice? The number of years of education and the score on a prejudice test for ten people is given in the following table. Higher scores on the test indicate more prejudice. Years of Education 12 15 14 13 18 10 16 12 10 4 Score on Prejudice Test 1 6 2 3 2 4 1 5 5 10 Conduct a hypothesis test to determine if there is a significant linear correlation between the two variables. What is the test statistic for this hypothesis test? -0.532 1.945 0.0127 -3.196
The Analysis of Variance. A research study compared beer consumed daily between 3 groups with 3 observations each. Group1 was UCB, Group 2 UCSD, and Group 3 UCI. Determine if there is a significant difference among the groups 5% level. Group1: UCB Group 2: UCSD Group 3: UCI The Results of this study are in the following table: Group1 Group2 Group3 Sample 3, 4, 5 3.2, 4, 4.2 3, 4, 3.3 Mean 4.0 3.7 3.4 S^2 4.4 5.2 6.1 null and alternative hypotheses are Null hypothesis Ho : There is a significant difference among the treatment group means Alternative Hypothesis Ha : At least one group mean is different from other group means the average mean due to treatments are…
Interaction a. What is an interaction between two factors? b. In general, when using two-way analysis of variance, if we find that there is an interaction effect, how does that affect the procedure? c. Shown below is an interaction graph constructed from the data in Exercise 1. What does the graph suggest?
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What is an advantage of using a stem-and-leaf plot instead of a histogram? What is a disadvantage? ... What is an advantage of using a stem-and-leaf plot instead of a histogram? O A. Stem-and-leaf plots graph qualitative data where histograms do not. B. Stem-and-leaf plots show data clusters where histograms do not. C. Stem-and-leaf plots easily organize data of all sizes where histograms do not. O D. Stem-and-leaf plots contain original data values where histograms do not. What is a disadvantage of using a stem-and-leaf plot instead of a histogram? O A. Histograms graph quantitative data where stem-and-leaf plots do not. B. Histograms show data clusters where stem-and-leaf plots do not. O C. Histograms contain original data values where stem-and-leaf plots do not. D. Histograms easily organize data of all sizes where stem-and-leaf plots do not.

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