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MA215 Business Statist… Week 7 “Linea…

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Upload Assignment: W7 ProjectUpload Assignment: W7 Project Assignment "Project Week 7"Assignment "Project Week 7"

Due Date

Tuesday, April 30, 2019

11:59 PM

Points Possible

100

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A S S I G N M E N T I N F O R M A T I O N

Business Statistics

Project Week 7

1. Create a scatter diagram of Y = ‘Annual % ROI’ against X = ‘Cost’. Include the trendline and the coefficient of determination.

2. Obtain b0 and b1 of the regression equation defined as y ̂ = b0 + b1X.

3. Calculate the estimated ‘Annual % ROI’ when the ‘Cost’ (X) is $160,000.

4. Conduct a full hypothesis test: You will be in charge. Set your own significance level. The hypotheses are given.

H0: β1 = 0 Ha: β1 ≠ 0

5. In a highlighted box, discuss your final conclusion from this hypothesis test. For each major, is Annual % ROI related to Cost for business? For engineering? If so, describe the relationship in words. How does the outcome of this hypothesis test related to the central question of which ROI is better?

Grading Criteria Assignments Maximum Points

Meets or exceeds established assignment criteria 40

Demonstrates an understanding of lesson concepts 20

Clearly presents well-reasoned ideas and concepts 30

Uses proper mechanics, punctuation, sentence structure, and spelling

10

Total 100

For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadheet. Download it here.

Using the ROI data set:

For each of the two majors:

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