Frequency Distribution Worksheet
A Grade 11 Math worksheet focusing on understanding and creating frequency distributions, including grouped and ungrouped data, and graphical representations.
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Frequency Distribution Worksheet
Name:
Date:
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Read each question carefully and provide your answers in the space provided. Show all your work for calculations.
1. Explain in your own words what a frequency distribution is and why it is useful in statistics.
2. The of a class is the number of observations falling into that class.
3. When data is organized into classes with intervals, it is called a frequency distribution.
4. Which type of data is best represented by a grouped frequency distribution?
Number of siblings
Eye color
Heights of students in a class
Favorite ice cream flavor
5. The following are the scores of 20 students on a Math quiz (out of 100):
75, 82, 68, 91, 70, 78, 85, 62, 95, 73, 80, 88, 79, 65, 90, 72, 81, 76, 84, 69
Create a grouped frequency distribution table with 5 class intervals for this data.
6. The bar graph below shows the number of hours students spent studying for an exam. Use the graph to answer the questions.
a) How many students studied between 11-15 hours?
b) What is the total number of students represented in the graph?
7. A local grocery store wants to analyze the sales of a particular product over the last 30 days. Why would creating a frequency distribution be helpful for them?
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