1. Multiple regression analysis

1. Establishes a cause and effect relationship.
2. Is not a sampling technique.
3. Involves the use of independent variable only.

D. Produces measures of probable error.

2. Quality control program employs many tools for problem definition and analysis. A scatter diagram is one of these tools. The objective of a scatter diagram is to

1. Display a population of items for analysis.
2. Show frequency distribution in graphic form
3. Divide a universe of data into homogeneous groups.
4. Show the vital trend and separate trivial items. (cia)

3. In regression analysis, the coefficient of determination is a measure of

1. The amount of variation in the dependent variable explained by the independent variables.
2. The amount of variation in the dependent variable unexplained by the independent variables.
3. The slope of the regression line.

The predicted value of the independent variable.

4. At breakeven fixed cost is always

A. Less than contribution margin.

B. Equal to contribution margin

C. More than variable cost.

D. More than the contribution margin.

5. Cost-volume-profit analysis is a key factor in many decisions, including choice of product lines, pricing of products, marketing strategy, and use of productive facilities. A calculation used in a CVP analysis is the breakeven point. Once the breakeven point has been reached, operating income will increase by the

A. Gross margin per unit for each additional unit sold.

B. Contribution margin per unit for each additional unit sold.

C. Variable cost per unit for each additional unit sold.

D. Sales price per unit for each additional unit sold.

Explain per item number the correct answers i have given in multiple choice!