<object:standard:macc.912.s id.3.7>A scatter plot is made to model the number of grams of fat in different portions of fried shrimp. The data used for the scatter plot are shown in the table below:
Number of portions
|
5
|
3
|
8
|
6
|
1
|
4
|
Number of grams of fat
|
45
|
27
|
72
|
54
|
9
|
36
|
What does the slope of the model represent?
Question 2 (Multiple Choice Worth 4 points)
(06.03)<object:standard:macc.912.s id.1.3>
The histogram shows the temperature, in degrees Celsius, of a city (x) on different days (y):
Based on the histogram, which statement is correct about the shape of the histogram?
Question 3 (Multiple Choice Worth 4 points)
(06.06)<object:standard:macc.912.s id.2.6>
Brenda made a scatter plot with the following data:
Number of years (x) |
6 |
2 |
4 |
7 |
1 |
9 |
3 |
8 |
5 |
Amount of radioactive sample (in grams) (y) |
0.15625 |
2.5 |
0.625 |
0.078125 |
5 |
0.01953125 |
1.25 |
0.0390625 |
0.3125 |
Which statement is correct about the scatter plot for the data?
Question 4 (Multiple Choice Worth 5 points)
(06.07)<object:standard:macc.912.s id.3.9>
Whenever Kylie ate a fish roll, she had a stomachache. Kylie concluded that fish rolls cause stomachaches. Which of the following statements will prove that there is a correlation and not causation between eating fish rolls and having stomachaches?
Question 5 (Multiple Choice Worth 4 points)
(06.06)<object:standard:macc.912.s id.2.6a>
The table below shows the amount of money, in cents, Celine had in her savings account after different number of years:
Years
|
2
|
5
|
1
|
4
|
6
|
3
|
Money in cents
|
48
|
3,072
|
12
|
768
|
12,288
|
192
|
What will be the amount of money, in cents, that Celine will save in 9 years?
Question 6 (Multiple Choice Worth 5 points)
(06.07)<object:standard:macc.912.s id.3.8>
The table below shows the age of some participants in a quiz competition, and the number of questions they could answer correctly:
Age (years) (x)
|
15
|
21
|
17
|
22
|
16
|
19
|
18
|
Number of questions they could answer (y)
|
17
|
17
|
17
|
17
|
17
|
17
|
17
|
What is the correlation coefficient for the data, and what does it represent?
Question 7 (Multiple Choice Worth 4 points)
(06.02)<object:standard:macc.912.s id.1.2>
The box plots below show the math scores of students in two different classes:
Based on the box plots, which statement is correct?
Question 8 (Multiple Choice Worth 4 points)
(06.01)<object:standard:macc.912.s id.1.1>
The number of votes won by 11 students during the school election is shown below:
12, 40, 27, 15, 31, 21, 34, 40, 35, 37, 45
Use a histogram to organize the data and answer the following question:
Which statement best compares the height of the bars of the histogram?
Question 9 (Multiple Choice Worth 4 points)
(06.01)<object:standard:macc.912.s id.1.1>
The following data show the number of questions different students of a class could answer in a quiz competition:
2, 4, 2, 5, 1, 4, 5, 7, 3, 5, 8, 6, 2, 2, 5, 5, 5, 4, 6
The dot plot below was made to represent the data.
For which number is the data plotted incorrectly?
Question 10 (Multiple Choice Worth 4 points)
(06.05)<object:standard:macc.912.s id.2.5>
A sports club has 84 members who learned baseball, and 42 of those members also learned basketball. There are 25 students who did not learn baseball but learned basketball, and 8 students did not learn either baseball or basketball. Which table best shows the relative frequency of rows for the data?
|
Learn baseball
|
Do not learn baseball
|
Total
|
Learn basketball
|
0.36
|
0.21
|
1
|
Do not learn basketball
|
0.36
|
0.07
|
1
|
Total
|
0.72
|
0.28
|
1
|
|
Learn baseball
|
Do not learn baseball
|
Total
|
Learn basketball
|
0.5
|
0.76
|
1
|
Do not learn basketball
|
0.5
|
0.24
|
1
|
Total
|
0.72
|
0.28
|
1
|
|
Learn baseball
|
Do not learn baseball
|
Total
|
Learn basketball
|
0.63
|
0.37
|
1
|
Do not learn basketball
|
0.84
|
0.16
|
1
|
Total
|
0.72
|
0.28
|
1
|
|
Learn baseball
|
Do not learn baseball
|
Total
|
Learn basketball
|
0.42
|
0.25
|
1
|
Do not learn basketball
|
0.42
|
0.80
|
1
|
Total
|
0.84
|
0.33
|
1
|
Question 11 (Multiple Choice Worth 4 points)
(06.01)<object:standard:macc.912.s id.1.1>
The following data shows the scores Gina obtained on 12 IQ tests:
93, 83, 74, 74, 83, 92, 93, 94, 90, 87, 83, 86
The box plot below represents the data:
Which of the following is shown incorrectly in the box plot?
Question 12 (Multiple Choice Worth 4 points)
(06.07)<object:standard:macc.912.s id.3.7>
A scatter plot is made to model the following data:
Number of days (x)
|
2
|
7
|
0
|
4
|
8
|
3
|
6
|
1
|
5
|
Number of strawberries in the backyard (y)
|
8
|
18
|
4
|
12
|
20
|
10
|
16
|
6
|
14
|
What does the y intercept of the model represent?