Question

The table represents data collected on the time spent studying (in minutes) and the resulting test grade.

Time Spent Studying (min) 52 37 31 9 26 40 22 10 45 34 19 60

Grade on Test 95 84 72 58 77 86 72 43 90 81 62 98
Part 1: Create a scatter plot with the predicted line of best fit drawn on it. Determine the type of correlation (if any), and predict the model that will be used.
Part 2: Find the line of best fit for the data either by hand or using technology. Explain your method. Find the predicted score for each time listed in the table.
Part 3: Find the residuals, and decide if

Answer 1

I have tried answering this but I received a 0% on the assignment.

Answer 2

wow

Answer 3

@sleepyjess help...? ):

Answer 4

@bibby @mathmate
Help?):

Answer 5

How did you do your first attempt?

Answer 6

@hailyokay ?

Answer 7

I'm sure you can see why I did not do well...

Answer 8

Since you seem to be busy, I'll leave you with some references.
The first one uses a calculator (TI-83plus), the others explain the complete procedure.
Good luck!

Answer 9

http://www.purplemath.com/modules/scattreg3.htm
http://math.hws.edu/javamath/ryan/Regression.html
http://onlinestatbook.com/2/regression/intro.html
http://stattrek.com/regression/linear-regression.aspx

Answer 10

I'm not busy just was trying to find the document but okay thank you!(:

Answer 11

Sorry, I don't open Word files.
If you can describe to me what you found for the first part, and how, or if you can snap a picture of your work (.jpg), I can read that too.
What I want to do is did you use technology to find the regression line, or did you compile the data in a table, etc. If you used technology, what did you use, calculator, Excel, ...