QUESTION 1 The SalesSalary data are on the Data Sets tab of Bb use as a guide only
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QUESTION 1
The SalesSalary data are on the Data Sets tab of Bb. The data show the salaries for sales professionals in the San Fransisco area along with information on whether the person is employed in inside sales or outside sales positions. There is also information on the years of experience of the sales professional coded as low (1-10 years), medium (11-20 years), and high (21 or more years). Download the data. If you have downloaded the data select true.
True
False
1 points
QUESTION 2
How many observations are in the data set?
1 points
QUESTION 3
What is the average salary in the SalesSalary data set? Answer to the nearest dollar but do not include a dollar sign in your answer.
1 points
QUESTION 4
What is the maximum salary in the SalesSalary data set? Answer to the nearest dollar but do not include a dollar sign in your answer.
1 points
QUESTION 5
What is the average salary in the SalesSalary data set for people with low experience? Answer to the nearest dollar but do not include a dollar sign in your answer.
1 points
QUESTION 6
Conduct ANOVA to test the hypothesis that the average salaries are the same for all levels of experience using the SalesSalary data set. What is MSE? Answer to the nearest whole number.
2 points
QUESTION 7
Conduct ANOVA to test the hypothesis that the average salaries are the same for all levels of experience using the SalesSalary data set. What is the value of the test statistic? Answer to two decimal places.
3 points
QUESTION 8
Conduct ANOVA to test the hypothesis that the average salaries are the same for all levels of experience using the SalesSalary data set. What is the critical value when alpha=.05? Answer to two decimal places.
2 points
QUESTION 9
Using the SalesSalary data test the null hypothesis that the average salaries are the same for all levels of experience. Conduct this test at the .05 level of significance.
Fail to reject the null hypothesis because the test statistic is greater than the critical value.
Fail to reject the null hypothesis because the test statistic is less than the critical value.
Reject the null hypothesis because the test statistic is greater than the critical value.
Reject the null hypothesis because the test statistic is less than the critical value.
2 points
QUESTION 10
Using the SalesSalary data you reject the null hypothesis that the average salaries are equal for all experience levels at the .001 level of significance.
True
False
2 points
QUESTION 11
Consider the ANOVA table here. What is MSTR? Answer to two decimal places.
2 points
QUESTION 12
Consider the ANOVA table here. What is the total sum of squares? Answer to two decimal places.
2 points
QUESTION 13
Consider the ANOVA table here. What is the p-value? Answer to three decimal places.
2 points
QUESTION 14
Consider the ANOVA table here. How many observations were there in this data set?
2 points
QUESTION 15
Suppose there are 3 numerator degrees of freedom and 15 denominator degrees of freedom. What is the critical F value for a .05 level of significance test? Answer to two decimal places.
2 points
QUESTION 16
Suppose there are 4 treatments and each one has 6 observations. You are using the data to conduct ANOVA. What is the critical F value for a .05 level of significance test? Answer to two decimal places.
2 points
QUESTION 17
For the ANOVA output below certain fields are missing. What is the total sum of squares (round to the nearest whole number)?
1 points
QUESTION 18
For the ANOVA output below certain fields are missing. How many degrees of freedom are there for the denominator in the F statistic?
1 points
QUESTION 19
For the ANOVA output below certain fields are missing. What is MSTR (answer to one decimal point)?
1 points
QUESTION 20
For the ANOVA output below certain fields are missing. What is MSE (answer to one decimal point)?
1 points
QUESTION 21
Consider the ANOVA table in the previous question where SSTR is 284.4. Because 1.6476<3.806 you fail to reject the hypothesis the that population means of the groups are equal.
True
False
1 points