Question: UploadMathCreditsSalarydata and scattered plot chart with X representing the number of math credits taken during College years and Y representing the annual salary in thousands;
UploadMathCreditsSalarydata and scattered plot chart with X representing the number of math credits taken during College years and Y representing the annual salary in thousands; plot the line and compute the R-square. Answer the questions:
I) What are the slope and the R-squares on your chart? (11.11 points)
- a. 0.6819 and 0.2623
- b. 0.6819x and 0.2623
- c. 0.3846x and 0.2623
- d. 0.3846 and 0.2623
II) If one took about 5 math credits during college years, using the chart and the equation, what is your prediction for the person's annual salary? (11.11 points)
- a. As years go by for every 5 more math credits taken during college years we observe an increase of $40.51 increase in annual salary.
- b. There is an obvious positive trend, the more math credits taken during college years the more the annual salary.
- c. Annual salary will be approximately $40 510 for 5 math credits taken during college years.
- d. None of these
III) What does each dot represent? (11.11 points)
- a. A person
- b. Math Credits
- c. Salary
MathCredits Salary000 7 42 0 31 7 34 9 37 8 59 6 44 14 54 8 56 14 52 19 43 26 54 15 40 24 53 4 36 1 24 14 49 0 33 4 48 18 29 11 40 5 45 0 40 12 58 0 31 0 42 18 56 13 37 7 32 6 30 3 53 5 39 1 44 0 36 17 55 20 58
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