QuestionQuestion

The table shows how many miles Jack ran per week for weeks one through nine.
x y
1 3
2 5
3 6
4 9
5 10.5
6 13
7 15
8 16
9 19

Question:
a. Use the table to plot the points.
b. Describe the correlation, including whether it is strong or weak.
c. Draw a line of best fit.
d. Write the equation of a line of best fit in slope-intercept form.
e. Using the line of best fit, estimate how may miles Jack ran the 10th week; show work.
f. During which week would you expect Jack to run a full marathon, 26.3 miles? Do you think that you should round up or down to the nearest week? Why?

Solution PreviewSolution Preview

These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.

It clearly suggests a very strong positive correlation between the week number and the distance ran (in miles).
The inclusion of the linear trend line yields . That´s the line of best fit. The slope is 1.9833 and the y-intercept is 0.8056....

By purchasing this solution you'll be able to access the following files:
Solution.docx and Solution.xlsx.

50% discount

Hours
Minutes
Seconds
$6.45 $3.23
for this solution

PayPal, G Pay, ApplePay, Amazon Pay, and all major credit cards accepted.

Find A Tutor

View available Mathematics - Other Tutors

Get College Homework Help.

Are you sure you don't want to upload any files?

Fast tutor response requires as much info as possible.

Decision:
Upload a file
Continue without uploading

SUBMIT YOUR HOMEWORK
We couldn't find that subject.
Please select the best match from the list below.

We'll send you an email right away. If it's not in your inbox, check your spam folder.

  • 1
  • 2
  • 3
Live Chats