Mr. Gettleman created a website about the basketball team. He has a hit counter on his site that lets him know how many people have visited the site. He kept track of the number of hits the site received each day for the first two weeks.
The graph is a scatter plot for the collected data along with the regression line.
Make sure to use your LINE OF BEST FIT for answering this question!
Determine whether the following scenarios have a positive, negative or no association.
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Question 2
2.
The amount of time someone spends on social media and the amount of homework they complete.
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The Ehrenberg family took a 15-day vacation to southern California and visited several popular theme parks during their trip.
The graph below shows the amount of money the Ehrenberg family had remaining at the end of each day of their trip.
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Question 4
4.
Draw the line of best fit!
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Question 10
10.
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Every 2 days the number of hits increases by approximately 1
Every 2 days the number of hits increases by approximately 5
(c) no association
Question 3
3.
The length of hair and the number of math problems you can do
Question 5
5.
Describe the association between the two variables.
Select all that apply
Question 6
6.
Write the PREDICTION FUNCTION.
Make sure to write it in y=mx+b form!
Question 7
7.
THIS QUESTION IS MANUALLY GRADED
Explain the slope.
USE THE VALUE OF THE SLOPE IN YOUR ANSWER
Question 8
8.
THIS QUESTION IS MANUALLY GRADED
Explain the y-intercept.
USE THE VALUE OF THE Y-INTERCEPT IN YOUR ANSWER
Question 9
9.
Use your prediction function (#6) to predict how much money the Ehrenberg family will have at the end of the Day 18 if they extend the length of their trip.
Answer an amount like $50
Leo is testing a theory that says students who speak a foreign language are also strong mathematics students. He surveys the freshman class at Niles North and the results are shown below in an incomplete 2-way frequency table.
Complete the totals column and row and answer the questions below regarding this table.
Question 11
11.
Question 12
12.
Question 13
13.
Question 14
14.
Question 15
15.
What percent of students with a math average GREATER than or equal to 90DO NOT speak a foreign language?
Enter a percentage like 70%. Round your answer to the nearest whole percentage.
Question 16
16.
What percent of students with a math average NOT GREATER than or equal to 90DO NOT speak a foreign language?
Enter a percentage like 70%. Round your answer to the nearest whole percentage.
Ms. DiZillo conducted a class survey with the 8th graders from Class of 2025 and the Class of 2026.
Complete the table and answer the questions below regarding her findings.
Question 17
17.
Complete the table here first! Then answer #21-29
Question 18
18.
Question 19
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Question 20
20.
Question 21
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Question 22
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Question 23
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Question 24
24.
What percent of 14 year olds walk to school?
Enter a percentage like 70%. Round your answer to the nearest whole percentage.
Question 25
25.
What percentage of 15 year olds walk to school?
Enter a percentage like 70%. Round your answer to the nearest whole percentage.
Question 26
26.
What percentage of students who ride a bike to school are 14 year olds?
Enter a percentage like 70%. Round your answer to the nearest whole percentage.
Question 27
27.
What percentage of 14 year olds ride their bike to school?
Enter a percentage like 70%. Round your answer to the nearest whole percentage.
