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WEEK 2 - two way tables

Last updated about 6 years ago

20 questions

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Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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Question 11

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Question 12

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Question 13

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Question 14

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Question 15

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Question 16

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Question 17

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Question 18

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Question 19

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Question 20

20.

What is the relative frequency (to the nearest percent) of girls among those who can bike to school?

56%

44%

71%

29%

What is the relative frequency (to the nearest percent) of girls among those who cannot bike to school?

56%

44%

71%

29%

What percentage of boys have red hair?

67%

20%

10%

15%

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. 

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. 

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%

What is the relative frequency for selecting a child given that the person likes chocolate?  

0.37

0.11

0.51

0.24

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

What percentage of the days that it did not rain, did they forecast rain?

90%

10%

22%

78%

Out of the number of times it forecasted rain, what is the probability that it did not rain?

78%

10%

22%

90%

Given that a person would choose vanilla, what is the relative frequency if they are an adult?

57%

17%

24%

76%

Given that a person is a teen, what is the relative frequency that they would choose neither?

59%

45%

62%

73%

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. 

What is the frequency of those that prefer to wear shoes in the summer?

56%

44%

80%

20%

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%

What is the relative frequency of the people who purchase pizza?

46%

60%

55%

36%

What is 2/8 in decimal form?

1/4

0.75

0.25

2/8

What is 0.45 changed into a percent?

4.5%

0.45%

45%

450%

295% is equivalent to -

2.95

0.295

29.5

295

What is the percent for the fraction 9/15?

50%

0.6

60%

0.5