Data Analysis Skills Quiz

Given the data set: 4, 8, 6, 5, 3, 7, 9, 2, 5, 6. What is the mean of the data set?

• 5.5

• 5.7

• 5.8

• 6.0

Given the data set: 4, 8, 6, 5, 3, 7, 9, 2, 5, 6. What is the median of the data set?

• 5

• 5.5

• 6

• 6.5

Given the data set: 4, 8, 6, 5, 3, 7, 9, 2, 5, 6. What is the mode of the data set?

• 4

• 5

• 6

• 7

Given the data set: 4, 8, 6, 5, 3, 7, 9, 2, 5, 6. What is the range of the data set?

• 5

• 6

• 7

• 8

Interpret the line plot below and determine the number of students who scored 7 points. | Score | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |-------|---|---|---|---|---|---|---|---|---| | Count | 1 | 2 | 1 | 2 | 3 | 2 | 4 | 1 | 1 |

• 1

• 2

• 3

• 4

Interpret the stem-and-leaf plot below and determine the number of data points in the 50s. Stem | Leaf ---- | ---- 4 | 2 5 7 5 | 1 3 6 8 6 | 0 2 4

• 2

• 3

• 4

• 5

Interpret the bar graph below and determine the category with the highest frequency. | Category | A | B | C | D | |----------|---|---|---|---| | Frequency| 5 | 8 | 3 | 6 |

• A

• B

• C

• D

Interpret the histogram below and determine the range of the data. | Interval | Frequency | |----------|-----------| | 0-10 | 2 | | 10-20 | 5 | | 20-30 | 3 | | 30-40 | 4 |

• 10

• 20

• 30

• 40

Given the data set: 12, 15, 14, 10, 18, 20, 15, 14, 16, 15. What is the mean of the data set?

• 14.9

• 15.0

• 15.1

• 15.2

Given the data set: 12, 15, 14, 10, 18, 20, 15, 14, 16, 15. What is the median of the data set?

• 14

• 14.5

• 15

• 15.5