Mean Median Mode and Histograms

Estimate the mean of the histogram.

Find the mean of the data in version A. Round to the tenth.

Which measure of central tendency best represents the data

• Mean because there is no outlier

• Median because there is an outlier

• Mode because data is categorical.

• Neither mean, median, or mode best represent the data.

The dot plot and histogram represent the exact same data.

Find the mode. Which type of display was used?

• 27; dot plot

• 23, 24, 25, 26; histogram

• 25; dot plot

• 25; histogram

How many employees have a salary less than $22,000?

• 50

• 350

• 0

• 10

Find the difference between the medians of version A and B.

The dot plot and histogram represent the same data. If the mean of the histogram is 24.25, how is it different than the mean of the dot plot?

• The mean of the histogram is .17 higher than the mean of the dot plot.

• The mean of the histogram is .17 lower than the mean of the dot plot

• The mean of the histogram and dot plot are the same

• You cannot find mean of the dot plot.

Describe the shape of the frequency distribution.

• Symmetric

• Uniform

• Bimodal

• Left Skew

• Right Skew

Find the range of the data. Which display did you use?

• 7; box plot

• 10; histogram

• 2; box plot

• 7; histogram

What is a the meaning for "median"?

• fair share

• middle

• repeats the most

• variation