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Grade 8 Relative Frequency Worksheet

This worksheet helps 8th-grade students understand and calculate relative frequency from various data sets and experiments.

Grade 8 Math Probability and StatisticsRelative Frequency
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Includes

3 Short AnswerMultiple ChoiceTrue / FalseFill in the Blanks

Standards

CCSS.MATH.CONTENT.7.SP.C.5CCSS.MATH.CONTENT.7.SP.C.6

Topics

mathprobabilitystatisticsrelative frequencygrade 8
8 sections · Free to use · Printable
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Relative Frequency Practice

Name:

Date:

Score:

Read each question carefully and calculate the relative frequency as a fraction, decimal, and percentage. Show your work.

1. A coin is tossed 50 times. It lands on heads 28 times and tails 22 times. Calculate the relative frequency of:

a. Landing on Heads

Fraction:  

Decimal:  

Percentage:  

b. Landing on Tails

Fraction:  

Decimal:  

Percentage:  

2. A spinner with 4 equally sized sections (Red, Blue, Green, Yellow) is spun 100 times. The results are: Red: 30, Blue: 25, Green: 20, Yellow: 25. Calculate the relative frequency of landing on:

a. Red

Fraction:  

Decimal:  

Percentage:  

b. Blue

Fraction:  

Decimal:  

Percentage:  

c. Green

Fraction:  

Decimal:  

Percentage:  

3. A bag contains red, blue, and green marbles. If you draw a marble 60 times (with replacement) and get 24 red, 18 blue, and 18 green, which color has a relative frequency of 0.3?

a

Red

b

Blue

c

Green

d

None of the above

4. A survey of 40 students asked for their favorite color. The results were: Blue: 15, Green: 10, Red: 8, Yellow: 7. Create a bar graph showing the relative frequency of each color.

Favorite Colors Relative Frequency00.10.20.30.40.375Blue0.25Green0.2Red0.175Yellow

5. Relative frequency is always expressed as a percentage.

T

True

F

False

6. The     is the number of times an event occurs divided by the total number of trials.

7. As the number of trials in an experiment increases, the relative frequency tends to get closer to the   probability.

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