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WEEK 2 - two way tables
By Kelsey Princetta
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Last updated almost 6 years ago
20 questions
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Question 1
1.
What is the relative frequency (to the nearest percent) of girls among those who can bike to school?
56%
44%
71%
29%
Question 2
2.
What is the relative frequency (to the nearest percent) of girls among those who cannot bike to school?
56%
44%
71%
29%
Question 3
3.
What percentage of boys have red hair?
67%
20%
10%
15%
Question 4
4.
A survey explored the relationship between gender and band class. What is a resonable conclusion?
There are fewer girls in band class than there are boys.
There are more girls and boyd not in band than there are in band.
There are fewer boys not in band than girls not in band.
There are more girls not in band than are in band.
Question 5
5.
A study was done on individuals who play instruments in comparison to those who play sports. What is a resonable conclusion?
More than half of the total people surveyed do not play an instrument or a team sport.
A person who plays a team sport will not play an instrument.
The same amount of people who don't play an instrument also don't play on a sports team.
A person who plays a team sport will also play an instrument.
Question 6
6.
Given that a student is between the ages of 10 and 13, what is the probability, or relative frequency, that they eat breakfast?
85%
32%
74%
30%
Question 7
7.
What is the relative frequency for selecting a child given that the person likes chocolate?
0.37
0.11
0.51
0.24
Question 8
8.
Given that a person is male, what is the relative frequency that the person owns a sports car?
0.35
0.13
0.46
0.65
Question 9
9.
What percentage of the days that it did not rain, did they forecast rain?
90%
10%
22%
78%
Question 10
10.
Out of the number of times it forecasted rain, what is the probability that it did not rain?
78%
10%
22%
90%
Question 11
11.
Given that a person would choose vanilla, what is the relative frequency if they are an adult?
57%
17%
24%
76%
Question 12
12.
Given that a person is a teen, what is the relative frequency that they would choose neither?
59%
45%
62%
73%
Question 13
13.
What is a resonable conclusion based on the table?
It rained more on the days it was not forecasted than on the days rain was forecasted.
It did not rain for more than half of the 30 days observed.
It rained for more than half of the 30 days observed.
No rain was forecasted more than rain was forecasted.
Question 14
14.
What is the frequency of those that prefer to wear shoes in the summer?
56%
44%
80%
20%
Question 15
15.
Of the people who wear Sandals in the summer, what is the relative frequency that they also prefer to wear shorts?
4%
36%
20%
80%
Question 16
16.
What is the relative frequency of the people who purchase pizza?
46%
60%
55%
36%
Question 17
17.
What is 2/8 in decimal form?
1/4
0.75
0.25
2/8
Question 18
18.
What is 0.45 changed into a percent?
4.5%
0.45%
45%
450%
Question 19
19.
295% is equivalent to -
2.95
0.295
29.5
295
Question 20
20.
What is the percent for the fraction 9/15?
50%
0.6
60%
0.5