Determine best fit to perform analysis

Assignment Help Other Subject

Reference no: EM13111122

You are interested in determining if student's ACT score is good predictor of their final college grade point average (GPA). You have got the following data and are going to perform regression analysis. Under line of best fit to perform this analysis?

ACT GPA
22.0 3.0
32.0 3.78
33.0 3.68
21.0 2.94
27.0 3.38
25.0 3.21
30.0 3.65

a) Compute the R? What kind of relationship does it signify (strong/weak; positive/negative)?

b) Go to coefficients readout. Constant is intercept. Under that is ACT and that is slope. Using straight line formula of Y = mx + b, forecast some future GPA scores: In formula (m) is the slope; (x) is variable which you are looking to use as predictor; and (b) is intercept. Forecast GPA from following ACT scores using the regression equation/straight line formula (show all your work):

1) 20
2) 25
3) 34

Reference no: EM13111122

Questions Cloud

Calculating expected values : The following is a payoff table giving profits for various situations. States of Nature Alternatives A B C Alternative 1 100 120 180 Alternative 2 120 140 120 Alternative 3 200 100 50

When an insider releases material insider information : When an insider releases material insider information to a non-insider tippee the tipper is liable for- A) The tipper's own trading only.

Illustrate what is the organization''s current profit : At the market price of $12.50 per unit the organization's marginal cost curve crosses the marginal revenue curve at an output level of 1000 units. Illustrate what is the organization's current profit? Illustrate what is likely to occur in this mar..

Question on hypothesis testing for means : The breaking strengths of cables produced by a certain manufacturer have a mean, of 1925 pounds, and a standard deviation of 65 pounds. It is claimed that an improvement in the manufacturing process has increased the mean breaking strength.

Determine best fit to perform analysis : You have got the following data and are going to perform regression analysis. Under line of best fit to perform this analysis? Compute the R? What kind of relationship does it signify (strong/weak; positive/negative)?

Summarize the unique security challenges : Malpass International has been reliant on a legacy human resource management database for the past 12 years. Now, senior management has approved funds for a complete replacement.

Explain registration requirements of the 1933 securities act : American Insurance Corporation, Inc. sells various kinds of insurance products. American is considering taking numerous possible actions. Which of these actions should be subject to the registration requirements of the 1933 Securities Act?

Illustrate what general steps should hank follow in setting : Illustrate what general steps should Hank follow in setting up a continuous improvement program for the industry? Illustrate what problems will he have to overcome to make it work?

Determine the acid content of the vinegar : Determine the acid content of the vinegar as wt % CH3COOH, acetic acid

User Account

All Pages