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Let’s find the mean, median and mode in word problems!

WALT: practice using our mean, median, mode and range knowledge and applying it to real life situations.

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Statistics Vocabulary: Highlight words that you know

Average

Mean

Median

Mode

Dot Plot

Bar Chart

Data

Continuous

Population

Sample

Box and Whisker Plot

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Limitations

Representative

Negative

Shape

Scatter Plot

Positive

Frequency

Discrete

Histogram

Distribution

Upper Quartile

Lower Quartile

Range

Cluster

Pictogram

Cluster

Unusual

Outcome

Pie Chart

Spread

Plan

Difference

Stem and Leaf Plot

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Skew

Trend

Relationship

Random

Compare

Problem

Data

Analysis

Conclusion

Summary

Inference

Predict

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Statistics Vocabulary practice:

Choose 3 words from the list that you don’t know and find the definition of that word.

  1. �
  2. �
  3. ​

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Quick revision! Answer these questions:

  1. What is the definition of the mean?�
  2. What is the definition of the mode?�
  3. What is the definition of the range?�
  4. What is the definition of the median?

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Find the median!

  1. The front row in a movie theatre has 11 seats. If you were asked to sit in the seat that was in the median position, in which seat would you have to sit?��
  2. What is the median score achieved by a student who recorded the following scores on 10 math quizzes? 68%, 55%, 70%, 62%, 71%, 58%, 81%, 82%, 63%, 79%

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Find the mean!

The following data sets represents the number of emails Year 8 students sent in the past two months. Calculate the mean number of emails sent by each student during the months May and June. Show your working

January- 5, 7, 10, 3, 5

February- 3, 6, 4, 2, 2, 7

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Find the range!

  1. Miss Fepulea’i timed some students when they were taking a maths test and recorded their times to see how long it took them to complete them. The times she recorded were 15 min, 28 min, 16 min, 32 min, 20 min, 16 min, 48 min, 29 min, 23 min, 35 min

Find the time range within the data Miss Fepulea’i recorded. Show your working!

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Find the mode!

  1. A student recorded her scores on weekly math quizzes that were marked out of a possible 10 points.

Her scores were as follows:

8, 5, 8, 5, 7, 6, 7, 7, 5, 7, 5, 5, 6, 6, 9, 8, 9, 7, 9, 9, 6, 8, 6, 6, 7

What is the mode of her scores on the weekly math quizzes?