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Marginal and Joint Frequencies

Total questions: 50

Worksheet time: 2hrs 38mins

Name
Class
Date
1.
How many females prefer a SUV?
a)
21
b)
135
c)
156
d)
180
2.
Describe the data that is represented by the 39.
a)
Male
b)
Sports Car
c)
Males who prefer Sports Cars
d)
Male Sports Cars
3.
The cell labeled with 84 is an example of a:
a)
Marginal Frequency
b)
Joint Frequency
c)
Relative Frequency
d)
Conditional Relative Frequency
4.
39 ÷ 240 would calculate the _______________ of males who prefer Sports Cars.
a)
Marginal Frequency
b)
Joint Frequency
c)
Joint Relative Frequency
d)
Marginal Relative Frequency
5.
What is the relative frequency for selecting a teen given that the person likes chocolate?
a)
.112
b)
.267
c)
.164
d)
.056
6.
Which age group liked Action movies the least?
a)
18-25
b)
25-49
c)
50+
d)
238
7.
How many people purchased no food and no drink?
a)
60
b)
10
c)
20
d)
200
8.
How do you calculate the marginal relative frequency for females?
a)
The answer is 180
b)
180 ÷ 240
c)
135 ÷ 180
d)
45 ÷ 135
9.
What is the difference in joint relative frequencies for males and females who preferred Sports Cars?
a)
6
b)
0.071
c)
0.025
10.
What percentage of the students have brown hair?
a)
25%
b)
60%
c)
45%
d)
50%
11.
What percent of people given the medicine reported no improvement?
a)
64%
b)
36%
c)
58%
d)
80%
12.
How many students were surveyed in the "Biking to School" two-way table?
a)
16
b)
14
c)
11
d)
30
13.
How many girls cannot bike to school?
a)
14
b)
10
c)
19
d)
9
14.
What is the relative frequency of students speaking Arabic?
a)
32%
b)
24%
c)
10%
d)
2%
15.
What is the total number of students speaking different languages?
a)
20
b)
25
c)
50
d)
100
16.

what color on the table represents the "JOINT"

a)

yellow

b)

green

c)

purple

17.

what color on the table represents "MARGINAL"

a)

yellow

b)

green

c)

purple

18.

What is the approximate percentage of students surveyed who have blonde hair?

a)

30

b)

26

c)

12

d)

14

19.

The sum of the joint relative frequencies in a row or column of a two-way table.

a)

Marginal Relative Frequency

b)

Relative Frequency

c)

Conditional Relative Frequency

d)

Joint Relative Frequency

20.

The ratio of the frequency in a particular category divided by the total number of data values.

a)

Joint Relative Frequency

b)

Conditional Relative Frequency

c)

Marginal Relative Frequency

d)

Relative Frequency

21.

The number of times the value appears in a data set.

a)

Frequency

b)

Joint Relative Frequency

c)

Marginal Relative Frequency

d)

Conditional Relative Frequency

22.
What is the relative frequency of students speaking German?
a)
7%
b)
1%
c)
100%
d)
12%
23.
What is the relative frequency of students speaking Vietnamese?
a)
8%
b)
100%
c)
4%
d)
16%
24.
What is the total number of animals at the refuge?
a)
20
b)
25
c)
50
d)
100
25.
What is the relative frequency of cheetahs at the refuge?
a)
25%
b)
20%
c)
16%
d)
100%
26.
How many people purchased no food and no drink?
a)
60
b)
10
c)
20
d)
200
27.
What color car is the least popular at this car dealership?
a)
Red
b)
White
c)
Blue
d)
Green
28.
Which of the frequencies uses the ratio of a sum of the frequencies?
a)
Joint Relative Frequency
b)
Conditional Relative Frequency
c)
Marginal Relative Frequency
29.
What is joint relative frequency?
a)
-The ratio of the frequency in a particular category and the total number of data values.
b)
-The ratio of the sum of the joint relative frequency in a row or column and the total number of data values.
c)
-The ratio of a joint relative frequency and related marginal relative frequency.
30.
Which requires the use of the total number of data or people polled?
a)
Conditional Relative Frequency
b)
Frequency of Single Category
c)
Divisibility Factor
d)
Marginal Relative Frequency
31.
What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? 
a)
4%
b)
14%
c)
13%
d)
29%
32.
What percentage of girls have blonde hair?
a)
30%
b)
32%
c)
29%
d)
40%
33.
What percentage of SUV's are driven by women?
a)
56.25%
b)
75%
c)
83.25%
d)
86.5%
34.
What percentage of males drive sports cars?
a)
35%
b)
16.25%
c)
65%
d)
25%
35.
A survey explored the relationship between gender and band class. Which is a reasonable conclusion?
a)
There are more band members than non-band members
b)
There are more boys in the class than girls
c)
There are more boys in band than not in band
d)
More than half of the members in band class are girls
36.
According to the two-way table, a person who plays an instrument is most likely to:
a)
Not play an instrument
b)
Not play a team sport
c)
Play a team sport
d)
All of the above
37.
According to the table, what is the relative frequency of Students ages 14 - 17 who skip breakfast?
a)
About 27%
b)
About 35%
c)
About 15%
d)
About 30%
38.
How many sophomores like burritos and pizza?
a)
6
b)
5
c)
11
d)
50
39.
How many total people were surveyed about what ice cream flavor they would pick?
a)
107
b)
92
c)
70
d)
269
40.

How many males were surveyed?

a)

77

b)

15

c)

150

d)

52

41.

Mrs. Inman surveyed 100 RHS faculty members about their music preference. Complete the table to determine how many women were surveyed.

a)

52

b)

48

c)

58

d)

100

42.

Mrs. Inman surveyed 100 RHS faculty members about their music preference. Complete the table to determine how many women prefer classical music.

a)

9

b)

19

c)

17

d)

7

43.

Mrs. Inman surveyed 100 RHS faculty members about their music preference. Complete the table to determine how many teachers prefer rock music.

a)

28

b)

32

c)

17

d)

40

44.

Which of the values below is a joint frequency?

a)

400

b)

200

c)

182

d)

4

45.

Which of the following formulas will correctly calculate the percentage of males who prefer basketball?

a)

15 / 48 * 100

b)

48 / 15 * 100

c)

15 / 48

d)

48 / 15

46.

The frequency of a specific data value divided by the total number of data values in the set.

a)

Relative Frequency

b)

Conditional Relative Frequency

c)

Marginal Relative Frequency

d)

Joint Relative Frequency

47.

What was the relative percent of just 11th graders who liked SqaureBob SpongePants?

a)

6%

b)

5%

c)

2%

d)

10%

48.
The table shows the different types of engineers and the subject they liked most.  What percentage of people surveyed were chemical engineers who preferred math?
a)
16.5%
b)
33.1%
c)
17.6%
d)
15.5%
49.
a)

x2+11x+16

b)

x2+5x+24

c)

x2+11x+24

d)

2x2+11x+24

50.
a)

x2+x-20

b)

x2-x-20

c)

x2-9x-20

d)

x2-x+20

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