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Worksheet: Describing a Data Set Using the Mean, Median, Mode, and Range

Q1:

Calculate the mean of the values .

Q2:

Find the mean of the values . If necessary, give your answer to three decimal places.

Q3:

Find the mode of the values .

Q4:

Find the range of the values .

Q5:

Louis’s game scores were , 2, 2, , , , and 8. Determine the median.

Q6:

Given that the mean of the values and 18 is 10, find the value of .

Q7:

Given that the mean of the values is 11, find the value of .

Q8:

Two values are missing from the shown data set. Given that the mode is 88, the mean is 55, and the data is listed in ascending order, find the missing values.

  • A57, 33
  • B89, 89
  • C57, 88
  • D88, 89
  • E57, 89

Q9:

Two values are missing from the shown data set. Given that the mode is 58, the mean is 39, and the data is listed in ascending order, find the missing values.

  • A6, 19
  • B59, 59
  • C6, 58
  • D58, 59
  • E6, 59

Q10:

Three values are missing from the shown data set. Given that the median is 66, the mean is 55, the range is 67, and the data is listed in ascending order, find the missing values.

  • A11, 73, 80
  • B13, 66, 80
  • C13, 73, 80
  • D29, 66, 81
  • E13, 73, 81

Q11:

The given graph shows Emma’s test scores. Find the mean score.

Q12:

Bob tracked the number of laps he ran each day on this line graph. Find the mean number of laps.

Q13:

The given line plot shows the magnitudes of earthquakes that recently took place around the world. Determine the mean and the median of the data.

  • Amean2.74, median2.2
  • Bmean2.74, median2.5
  • Cmean2.66, median2.5
  • Dmean2.66, median2.2
  • Emean2.5, median2.66

Q14:

The points that each player scored during a basketball game are shown in the table. Find the median of the points scored.

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Q15:

Find the median number of laps that Sophia ran this week.

Q16:

The line graph shows the number of people who subscribed to an online course last June. The administration forgot to record 1 person who subscribed on the 15th. How will the median change if these values are added?

  • AThe median would increase from the 14th to the 20th.
  • BThe median would decrease from the 17th to the 14th.
  • CThe median would still be the 14th.
  • DThe median would still be the 17th.
  • EThe median would increase from the 14th to the 17th.

Q17:

Two values are missing from the shown data set. Given that the median is 67, the range is 44, and the data is listed in ascending order, find the missing values.

  • A72, 76
  • B62, 76
  • C72, 87
  • D70, 87
  • E74, 87

Q18:

Four values are missing from the shown data set. Given that the mode is 89, the median is 81, the range is 32, and the data is listed in ascending order, find the missing values.

  • A89, 91, 91, 92
  • B91, 89, 89, 89
  • C73, 89, 89, 91
  • D65, 91, 91, 73
  • E89, 89, 89, 92

Q19:

Which of the following sets of data has a median of 45, a range of 57, and a mode of 45?

  • A25, 67, 19, 45, 45, 77
  • B26, 67, 20, 45, 44, 77
  • C67, 45, 26, 77, 20, 45
  • D26, 26, 45, 77, 20, 76
  • E26, 67, 20, 20, 20, 45

Q20:

Find all the modes for the given data set.

  • A33, 34
  • B34
  • C35
  • D33

Q21:

The line plot represents the number of hours that a group of people spent exercising in a week . What was the most common number of hours?

Q22:

Which of the following choices gives the range of a set of data?

  • Athe lower bound
  • Bthe upper bound the lower bound
  • Cthe upper bound
  • Dthe upper bound the lower bound

Q23:

Find the range of the number of laps Jane jogged this week.

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