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Questions and Answers

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?

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?

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?

<p>The range divided by the number of classes</p> Signup and view all the answers

What does the lower class limit represent in a frequency distribution?

<p>The smallest data entry in the class</p> Signup and view all the answers

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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Description

Quiz: Frequency Distributions and Graphs in Descriptive Statistics Test your knowledge on frequency distributions, histograms, and measures of variation in descriptive statistics. Learn how to count tally marks, create frequency histograms, and analyze frequency distributions. This quiz will help you understand the properties and importance of these graphical representations in data analysis.