Reference no: EM131027925
Questions
1. True or False Tests of mean differences are to make mean comparisons.
2. List common assumptions for tests of mean differences and discuss why it is important to check them.
3. True or False An administration staff is making comparison between sample mean ACT score and a known population mean ACT score. The most appropriate statistical test will be dependent sample t-test.
4. True or False A doctor wants to compare differences between control and experimental group on the effectiveness in treating a constipation. The most appropriate statistical test will be independent samples t-test.
5. True or False A (PA) researcher is examining whether the amount of exercise (None, 1 time per week, 2 times per week, and more than 2 times per week) has any influence on personal satisfaction. The most appropriate statistical test is one-way ANOVA.
6. True or False The manager wants to compare differences in safety culture scores from respondents in accredited nursing homes across two time points. The most appropriate statistical test is one-way one-sample t-test.
7. True or False A (PA) researcher is examining whether the amount of exercise (None, 1 time per week, 2 times per week, and more than 2 times per week) and ethnicity (Caucasian, African American, and Asian) has any influence on personal satisfaction. The most appropriate statistical test is one-way MANOVA.
8. True or False A (PA) researcher is examining whether the amount of exercise (None, 1 time per week, 2 times per week, and more than 2 times per week has any influence on personal satisfaction. However, there is evidence from the literature that age may also influence personal satisfaction. The most appropriate statistical test is Analysis of Covariance.
9. True or False A director is interested in determining whether there were statistically significant differences in outcome measures measured in 4 different time points (Baseline, 3 months after, 6 months after, and 9 months after). The most appropriate statistical test is factorial ANOVA.
10. True or False A researcher is interested in determining if an exercise intervention improves mobility endurance and physical activity. The most appropriate statistical test is multivariate ANOVA (MANOVA).
|
Difference between internal and external stakeholders
: Explain the difference between internal and external stakeholders of a company. Referring to any company, give an example of each type of stakeholder.
|
|
Find estimate for p true but unknown proportion of employees
: Suppose that we survey 20 individuals working for a large company and ask each whether they favor implementation of a new policy regarding retirement funding. If, in our sample, 6 favored the new policy, find an estimate for p, the true but unkno..
|
|
Develop business practice recommendations
: Develop business practice recommendations, which will improve compliance to the two Global principles. These should be based on the review you have undertaken and your understanding of the lessons learned.
|
|
Significant problem for the business
: Is the fact that Bongo's does not charge for 10% of its pizzas a significant problem for the business? How much extra profit per pizza would be made if 5 minutes was cut from all deliveries?
|
|
Compare differences between control and experimental group
: True or False A doctor wants to compare differences between control and experimental group on the effectiveness in treating a constipation. The most appropriate statistical test will be independent samples t-test
|
|
Construct a venn diagram illustrating the following sets
: Select appropriate set elements and distinguish between sets, subsets, and proper subsets.
|
|
What assumption justify multiplication of probabilities
: Goranson and Hall (1980) explain that the probability of detecting a crack in an airplane wing is the product of p1, the probability of inspecting a plane with a wing crack; p2, the probability of inspecting the detail in which the crack is locate..
|
|
How many different sets of questions could the teacher ask
: In how many ways can a 12-member jury be chosen from a pool of 22 citizens?
|
|
Role of a marketing adviser to a uk company
: You are to assume the role of a marketing adviser to a UK company considering global marketing for the first time You have been asked to assess the market potential of two countries, investigate the environmental risks and the problems that may aff..
|