Questions and Answers
What is the purpose of calculating measures of central tendency and spread?
To identify patterns in the data
What is the formula for calculating the mean of a set of values?
$\frac{\sum \text{Values}}{\text{Number of Values}}$
What is the median of a set of data with an even number of values?
The average of the two middle values
What type of graph is used to compare parts of a whole?
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What type of graph is used to display continuous data grouped into intervals?
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What is the range of a data set?
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What is the primary goal of data analysis?
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Which measure of central tendency is most affected by extremely high or low values?
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What is the primary difference between a bar graph and a histogram?
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When would you use a line graph to represent data?
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What does the range of a dataset represent?
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Why is it important to calculate measures of central tendency and spread?
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What is the primary advantage of using graphical representation in data analysis?
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Which of the following is an important consideration when choosing a graph type?
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What is the primary difference between a measure of central tendency and a measure of spread?
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In which situation would a histogram be a poor choice of graph?
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What is the primary goal of data analysis, after gathering and representing data?
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Why is it important to consider both measures of central tendency and spread when analyzing data?
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