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Questions and Answers
Which type of graph represents the frequency distribution of a data set?
Which type of graph represents the frequency distribution of a data set?
- Pie chart
- Scatter plot
- Line graph
- Bar graph (correct)
What is the purpose of a frequency distribution table?
What is the purpose of a frequency distribution table?
- To display the range and standard deviation of a data set
- To identify outliers and anomalies in a data set
- To organize data entries into classes and count the number of entries in each class (correct)
- To show the mean, median, and mode of a data set
What does the frequency (f) of a class represent in a frequency distribution?
What does the frequency (f) of a class represent in a frequency distribution?
- The median of the data entries in the class
- The mode of the data entries in the class
- The mean of the data entries in the class
- The number of data entries in the class (correct)
What does the class width represent in a frequency distribution?
What does the class width represent in a frequency distribution?
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What does the lower class limit represent in a frequency distribution?
What does the lower class limit represent in a frequency distribution?
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Study Notes
Graphs and Frequency Distribution
- A histogram represents the frequency distribution of a data set.
Frequency Distribution Table
- The purpose of a frequency distribution table is to organize and display data to show how many times each data point or range of data points occurs.
Frequency (f) in Frequency Distribution
- The frequency (f) of a class in a frequency distribution represents the number of data points that fall within a specific class or range of values.
Class Width in Frequency Distribution
- The class width in a frequency distribution represents the range of values in each class or interval.
Lower Class Limit in Frequency Distribution
- The lower class limit in a frequency distribution represents the lowest value in a class or interval.
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