Statistical Measures and Summarize Data

Which statement best describes the distribution of the data?

• The distribution of the set of data is skewed right.

• The distribution of the set of data is skewed left.

• The distribution of the set of data is clustered between 45 and 49.

• The distribution of the set of data has a gap between 51 and 55.

Which set of data has the greatest spread?

• {55, 65, 70, 85, 90}

• {25, 65, 70, 85, 95}

• {50, 65, 70, 70, 75}

• {70, 75, 80, 85, 90}

Katherine works in an office monitoring and recording the sales of computer software. She compiles the data each week and reports the mean and range of the collected data.

Which statement best describes the data values he reports each week?

• The mean and the range both summarize the data set.

• The mean and the range both describe how the data varies.

• The mean describes how the data varies while the range summarizes the data set.

• The mean summarizes the data set while the range describes how the data varies.

Which quantitative measures describe the variation in a data set? (Multi- Select)

• Mean Absolute Deviation (MAD)

• Median

• Mean

• Range

• Interquartile Range (IQR)

Which quantitative measures describe the typical value in a data set? (Multi- Select)

• Mean

• Range

• Median

• Mode

• Mean Absolute Deviation (MAD)

Which box plot correctly displays the data set shown below? [5,20,7,2,8,12]

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What do the data values in the table represent?

• The mean number of students enrolled in school each year.

• The median number of students enrolled in school each year.

• The most number of students enrolled in school between the years 2000 and 2013.

• The number of students enrolled in school each year from 2010 to 2013.

What is the interquartile range (IQR) of the data set shown?

The mean is 10 in the dot plot above.

What is the mean absolute deviation (MAD) of the data? Round your answer to the nearest tenth.

• 2.9

• 2

• 2.7

• 2.8

Which frequency table matches the histogram?

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