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Relative Frequency to Make Predictions

Authored by Anthony Clark

Mathematics

8th Grade

Relative Frequency to Make Predictions
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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A local book store kept records of the types of books bought by its customers. The table below shows the results of the survey.

Based on the data, if the store sells 2,250 books next week, how many of the books will be satire or horror?

372

219

591

543

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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How many times did the spinner land on Red?

45

75

120

60

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Erika wanted to see if there was a relationship between how often someone eats fast food in a week and how the person gets to work each day. She conducted a survey where participants answered how often they eat fast food as well as whether they drive to work or use public transportation. Of the people who drive to work, find the relative frequency of those who eat fast food 0-2 times/week

8%

40%

71%

34%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Students in a middle school were asked about their favorite movie genre. The results are organized in the two-way table.

Of the males students, the relative frequency of those whose favorite movie genre is science fiction?

48%

51%

26%

23%

28%

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

4%

14%

13%

29%

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

.112

.267

.164

.056

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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What is the relative frequency of people who like snowmobiles and skateboards to the total number of people surveyed?

62%

55%

43%

50%

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