a member of the local sheriff’ s office measured their blood alcohol content. The sample information is reported below.
1. Choose scattered diagram best fit data. 2. Fill in the blank below 3. State decision rule.
Ex 14) The following sample observations were randomly selected. a. Determine the regression equation. b. Determine the value of Y when X is 7.
Ex 18) We are studying mutual bond funds for the purpose of investing in several funds. For this particular study, we want to focus on the assets fund and its five-year performance. The question is: can the five-year rate of return be estimated based on the assets of the fund? Nine mutual funds were selected at random, and their assets and rates of returns are shown below:
b-1. Compute the coefficient of correlation. b-2. Compute the coefficient of determination
c. Give a description of the degree of association between the variables.
d. Determine the regression equation. Use assets as the independent variable
e. For a fund with $ 400.0 million in sales, determine the five year rate of return
Ex 22) The owner of Maumee Ford-Mercury-Volvo wants to study the relationship between the age of a car and its selling price. Listed below is a random sample of 12 used cars sold at the dealership during last year