WorksheetsQ3W3 Weekly Quiz
Total questions: 15
Worksheet time: 33mins
Name
Class
Date
1.
What kind of slope would the graph of the model have?
a)
Positive
b)
Negative
c)
There's no association
2.
What kind of slope would the graph of the model have?
a)
Positive
b)
Negative
c)
There's no association
3.
Is this line an accurate line estimate of best fit for the data?
a)
Yes
b)
No
4.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.
a)
12 chapters
b)
15 chapters
c)
18 chapters
d)
21 chapters
5.
Which of the following lines represents the line of best fit for the scatter plot?
a)
A
b)
B
c)
C
d)
D
6.
What is the meaning of the y-intercept?
a)
The weight in the bucket increases by 1 pound per pound of sand.
b)
Before sand is put in the bucket, it weighs 1 pound.
c)
The starting weight of the sand is 1 pound.
d)
The weight in the bucket decreases by 1 pound per pound of sand.
7.
What kind of slope would the graph of the model have?
a)
Positive
b)
Negative
c)
There's no association
8.
What represents the y axis?
a)
ABC Company
b)
Hours Worked
c)
Amount Earned in Dollars
d)
Hours in Car
9.
What represents the x axis?
a)
ABC Company
b)
Hours Worked
c)
Amount Earned in Dollars
d)
Hours in Car
10.
What is the age of the tree that is 8 feet tall?
a)
6 Years
b)
7 Years
c)
8 Years
d)
9 Years
11.
About how many male math teachers were there in 2006?
a)
15
b)
30
c)
35
d)
45
12.
What type of association does this graph show?
a)
Positive
b)
negative
c)
none
d)
all of the above
13.
Is this line an accurate line estimate of best fit for the data?
a)
Yes
b)
No
14.
Calculate the line of best fit.
a)
y = 510x + 8750
b)
y = 8750 + 510x
c)
y = 3x + 10700
d)
y = 10700x + 3
15.
Find the line of best fit.
a)
y = -0.96x + 0.78
b)
y = 0.66x - 0.89
c)
y = -2x + 2
d)
y = 2x - 2
100 %
