Reference no: EM1398099
Question 1
A senior accounting major at Midsouth State University has job offers from four CPA firms. To explore the offers further, she asked a sample of recent trainees how many months each worked for the firm before receiving a raise in salary. The sample information is submitted to MINITAB with the following results:
Analysis of Variance
Source DF SS MS F P
Factor 3 32.33 10.78 2.36 0.133
Error 10 45.67 4.57
Total 13 78.00
At the .05 level of significance, is there a difference in the mean number of months before a raise was granted among the four CPA firms?
Question 2
Davis Outboard Motors, Inc. recently developed an epoxy painting process for corrosion protection on exhaust components. Bill Davis, the owner, wishes to determine whether the lengths of life for the paint are equal for three different conditions: salt water, fresh water without weeds, and fresh water with a heavy concentration of weeds. Accelerated-life tests were conducted in the laboratory, and the number of hours the paint lasted before peeling was recorded.
Salt Water Fresh Water Fresh Water with Weeds
167.3 160.6 182.7
189.6 177.6 165.4
177.2 185.3 172.9
169.4 168.6 169.2
180.3 176.6 174.7
Use the Kruskal-Wallis test and the .01 level to determine whether the lasting quality of the paint is the same for the three water conditions.
Please show work in a word document.
|
Analysis of variance post hoc analysis
: A seminar is given to three levels of managers (highlevel, midlevel, lowlevel).The facilitators believe the evaluations may vary with the audience.
|
|
Number of units produced on the night shift
: A sample of 60 night shift workers showed that the mean number of units produced was 351. At the .05 significance level, is the number of units produced on the night shift larger?
|
|
Question based on genes
: You have done research into healthy food and have discovered that once upon a time many of our fruits and vegetables were originally purple.
|
|
Challenges of doing business across different jurisdictions
: Ethics: When in Rome, do as the Romans do? KC Ang read following excerpt of new report on challenges of doing business across different jurisdictions.
|
|
Analysis of variance-kruskal-wallis test
: A senior accounting major at Midsouth State University has job offers from four CPA firms. To explore the offers further, she asked a sample of recent trainees how many months each worked for the firm before receiving a raise in salary.
|
|
Testing a new drug researchers
: In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 15 patients using the drug is selected. Find the probability that:
|
|
Mean squares and population variance
: What is the value of the mean square for error (the "within groups" mean square that would be reported in the ANOVA test, and what is the value of the mean square for treatments (the "between groups" mean sqaure) that would be reported in the ANOVA ..
|
|
Differences between hypotheses testing methods
: Can you describe in detail the differences in ANOVA and the five-step hypothesis testing method?
|
|
Explanation for mechanism that cause the inheritance pattern
: A man has a heritable disease, which his father suffers from, along with his son. His father's symptoms are comparatively light, where his sons are profound and seen at a much earlier age.
|