MultipleChoice54True0-939590529MultipleChoice54-939590528MultipleChoice34True0-939590528MultipleChoice34

Question 7.Question :A sales manager for an advertising agency believes that there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned.A regression ANOVA shows the following results:What is the value of the standard error of estimate?Question 8.Question :In the equation, Ŷ= a+ bX, what is Ŷ?-939590527MultipleChoice43True0-939590527MultipleChoice43

Question 9.Question :A hypothesis test is conducted at the .05 level of significance to test whether or not the population correlation is zero. If the sample consists of 25 observations and the correlation coefficient is 0.60, what is the computed value of the test statistic? Round to two decimal places.Student Answer:1.96 2.07 2.94 3.60 MultipleChoice15True0-939590524MultipleChoice15Question 10.Question :What is the null hypothesis to test the significance of the slope in a regression equation?1.Question :An electronics company wants to compare the quality of their cell phones to the cell phones from three competitors. They sample 10 phones from each company and count the number of defects for each phone. If ANOVA was used to compare the average number of defects, then the treatments would be defined as:-939590525MultipleChoice35True0-939590525MultipleChoice350-939590523MultipleChoice20

Student Answer:The number of cell phones sampled. The average number of defects. The total number of phones. The four companies. Question 2.Question :Two accounting professors decided to compare the variance of their grading procedures. Toaccomplish this, they each graded the same 10 exams, with the following results:What are the degrees of freedom for the numerator of the Fratio?Question 3.Question :What distribution does the Fdistribution approach as the sample size increases?-937129551MultipleChoice11False0-937129551MultipleChoice11

Normal Poisson Exponential Question 4.Question :A manufacturer of automobile transmissions uses three different processes. Management ordered a study of the production costs to see if there is a difference among the three processes. A summary of the findings is shown next.In an ANOVA table, what are the total degrees of freedom?Student Answer:27 28 29 30 -937129548MultipleChoice25True0-937129548MultipleChoice25Question 5.Question :When the null hypothesis for an ANOVA analysis comparing four treatment means is rejected, _________________-937129549MultipleChoice2False0-937129549MultipleChoice2

Question 6.Question :