Question

In: Statistics and Probability

6 step hypothesis tests using ANOVA: Levene Test and ANOVA: single factor Info: Concerned about Friday...

6 step hypothesis tests using ANOVA: Levene Test and ANOVA: single factor

Info: Concerned about Friday absences, management examined the number of persons absent for each of the past three Fridays. Does this sample provide sufficient evidence to conclude there is a significant difference in the average number of absences? Use alpha = .05.

Plant 1

Plant 2

Plant 3

Plant 4

19

17

27

22

24

20

32

27

20

16

27

25

Solutions

Expert Solution

The answer is obtained using SAS software. Code and output are attached below for verification.

orchestra answered 1 year ago
Next > < Previous

Related Solutions

Complete a 6-step hypothesis test using the following scenario: In 2012, the mean age of an...
Complete a 6-step hypothesis test using the following scenario: In 2012, the mean age of an inmate on death row was 40.7 years, according to data from the U.S. Department of Justice. A sociologist wondered whether the mean age of a death row inmate has changed since then. She randomly selects 32 death row inmates and finds that their mean age is 38.9 with a standard deviation of 9.6. Test using a 0.01 significance level.
Complete a 6-step hypothesis test using the following scenario: In 2012, the mean age of an...
Complete a 6-step hypothesis test using the following scenario: In 2012, the mean age of an inmate on death row was 40.7 years, according to data from the U.S. Department of Justice. A sociologist wondered whether the mean age of a death row inmate has changed since then. She randomly selects 32 death row inmates and finds that their mean age is 38.9 with a standard deviation of 9.6. Test using a 0.01 significance level.
Test a hypothesis using variables in the data set for which ANOVA is the appropriate test...
Test a hypothesis using variables in the data set for which ANOVA is the appropriate test (do NOT use the variables assigned for the final project). Data: Gender abuse female 7.00    female .00 female 7.00 male 7.00 male .00 male 7.00 female 7.00 female 7.00 female .00 female .00 State the null and research hypotheses in statistical terms, including the appropriate notation. Explain why ANOVA is the appropriate test. In your explanation, describe the formula (13.1) for the statistic...
Complete a 6-step hypothesis test using the following scenario: The body mass index (BMI) of an...
Complete a 6-step hypothesis test using the following scenario: The body mass index (BMI) of an individual is a measure used to judge whether an individual is overweight or not. A BMI between 20 and 25 indicates normal weight. In a survey of 750 men and 750 women, the Gallup organization found that 203 men and 270 women were normal weight. Is this enough evidence to determine if there is a greater number of women at a normal weight than...
Complete a 6-step hypothesis test using the following scenario: Students at a college are randomly selected...
Complete a 6-step hypothesis test using the following scenario: Students at a college are randomly selected 217 student cars and they found that they had ages with a mean of 7.89 years and a standard deviation of 3.67 years. They also randomly selected 152 faculty cars and found that they had ages with a mean of 5.99 years and a standard deviation of 3.65 years. Using a 0.05 significance level, is there sufficient evidence to support the claim that student...
Given the other statistical tests discussed so far, like ANOVA, t test, and hypothesis test, what...
Given the other statistical tests discussed so far, like ANOVA, t test, and hypothesis test, what strengths does linear regression provide that the other tests do not? Identify a peer-reviewed study that uses linear regression in its analysis. Explain why linear regression was used and discuss one challenge in interpreting the results.
The results of a​ two-way ANOVA using the accompanying data and hypothesis tests for interaction between...
The results of a​ two-way ANOVA using the accompanying data and hypothesis tests for interaction between Factor A and Factor B and for each factor are provided below. Using these data and​ results, determine which means are different using α= 0.01when warranted. Factor A FactorB Level 1 Level 2 Level 3 Level 1 66 88 1010 77 1212 3232 1010 1919 3030 Level 2 2828 3030 3030 1111 2020 3838 1616 2020 3939 Level 3 3535 4040 4242 3131 2929...
USE ANOVA (ANALYSIS OF VARIANCE) SINGLE FACTOR   USE PVALUE .05 Create a Null and alternative hypothesis...
USE ANOVA (ANALYSIS OF VARIANCE) SINGLE FACTOR   USE PVALUE .05 Create a Null and alternative hypothesis and fill out the anova table by using anova in excel. Source of Variation Sum of Squares Degrees of Freedom Mean Square F p-value Treatments Blocks Error Total Naturalistic Program Physical Program In-Class Program 51 33 44 52 36 46 33 37 45 45 35 38 57 38 41 56 32 47 37 33 43 45 36 42 51 33 44 52 36 46...
1. Why is using a single ANOVA preferable to running a series of independent t tests?...
1. Why is using a single ANOVA preferable to running a series of independent t tests? 2 Determine the null and alternate hypotheses for the following statement: People will eat more when their food is served on red plates than when it is served on blue or beige plates.
Using the data below, perform a two-way ANOVA. Test the hypothesis of interaction at the 1%...
Using the data below, perform a two-way ANOVA. Test the hypothesis of interaction at the 1% level of significance. Also, use a 1% level of significance to test the null hypotheses of equal column and equal row means. Factor Level 1 Level 2 Level A 14 16 18 12 16 16 Level B 10 12 16 12 12 14
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT