Grade 7 Data Comparison Worksheet
A worksheet for 7th graders to practice comparing different data sets and interpreting various data representations.
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Grade 7 Data Comparison
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
The bar graph below shows the favorite colors of students in two different classes, Class A and Class B.
1. Which color is most popular in Class A?
2. Which color is most popular in Class B?
3. What is the difference in the number of students who prefer Red in Class A compared to Class B?
Consider the following two data sets:
Data Set 1: 10, 12, 15, 15, 18
Data Set 2: 8, 10, 12, 14, 16, 18
4. Which data set has a higher median?
Data Set 1
Data Set 2
Both have the same median
Cannot be determined
Consider the following data set: 5, 8, 12, 13, 20, 40
5. The range of this data set is .
6. An outlier in this data set could significantly affect the but not necessarily the .
7. A survey asked students how many hours they spend reading per week. Class A's results: 3, 4, 5, 3, 6. Class B's results: 2, 3, 4, 3, 5. Compare the average reading time of the two classes and state which class reads more on average.
8. The mode is always a good measure of central tendency, even with outliers.
True
False