Histogram Analysis Worksheet
This worksheet helps Grade 10 students understand and interpret histograms, focusing on data distribution, frequency, and appropriate graph selection.
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Histogram Analysis Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
The histogram below shows the distribution of scores on a recent math test for a class of 30 students.
1. How many students scored between 70-79 (inclusive) on the math test?
2. What is the modal class interval for the test scores?
3. Which of the following statements is TRUE about the data shown in the histogram?
The data is skewed to the left.
The data is skewed to the right.
The data is symmetrical.
There are gaps in the data.
4. What percentage of students scored 80 or above?
20%
30%
50%
60%
5. Histograms are used to display the distribution of data.
6. Unlike bar graphs, the bars in a histogram each other, indicating continuous data.
7. Explain the key difference between a bar graph and a histogram. When would you use each?
8. The height of each bar in a histogram represents the frequency of data within that interval.
True
False