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Questions and Answers
In Descriptive Statistics, which measure is not affected by extreme values?
In Descriptive Statistics, which measure is not affected by extreme values?
- Mean
- Mode
- Range
- Median (correct)
When comparing box plots, which feature does not provide information about the spread of the data?
When comparing box plots, which feature does not provide information about the spread of the data?
- Median (correct)
- Outliers
- Whiskers
- Interquartile range
Which graph is not suitable for displaying the distribution of a continuous variable?
Which graph is not suitable for displaying the distribution of a continuous variable?
- Histogram
- Bar chart (correct)
- Pareto chart
- Line graph
Which of the following is a correct measure of central tendency?
Which of the following is a correct measure of central tendency?
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What is the primary purpose of a stem-and-leaf plot?
What is the primary purpose of a stem-and-leaf plot?
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Which graphical display is suitable for comparing the distribution of a variable across different groups?
Which graphical display is suitable for comparing the distribution of a variable across different groups?
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Study Notes
Descriptive Statistics
- The median is not affected by extreme values.
- The median is a correct measure of central tendency.
Box Plots
- The shape of a box plot does not provide information about the spread of the data.
Graphs
- A bar graph is not suitable for displaying the distribution of a continuous variable.
Stem-and-Leaf Plots
- The primary purpose of a stem-and-leaf plot is to display the distribution of a variable.
Graphical Displays
- A box plot is a graphical display suitable for comparing the distribution of a variable across different groups.
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