Statistics - Ch 2 Review

Identify the class width for data with a minimum value of 18 and a maximum value of 94 that has 8 classes.

• 9
• 9.5
• 10
• 14

Identify the class width for data with a minimum value of 12 and a maximum value of 42 that has 5 classes.

• 6
• 7
• 10
• 11

Identify the lower and upper limits of the first class if you wish to construct a frequency distribution if the data varies from 10 to 40 and the class width is 7.

• 10-15
• 10-16
• 140-17
• 10-18

Identify the midpoint for the class 50-58.

• 4
• 8
• 38
• 54

Tags

CCSS.6.SP.B.5C

Identify the class boundaries for the class 12-18

• 12.5-18.5
• 12.5-17.5
• 11.5-18.5
• 11.5-17.5

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Find the relative frequency for the 3rd class if the frequencies for the 5 classes are 4, 6, 3, 9, and 2.

• 0.125
• 0.542
• 13
• 24

Tags

CCSS.8.SP.A.4

Find the cumulative frequency for the 3rd class if the frequencies for the 5 classes are 4, 6, 3, 9, and 2.

• 0.125
• 0.542
• 13
• 24

Tags

CCSS.6.SP.B.5C

Which of the following best describes a Relative Frequency Histogram?

• A histogram that uses the sum of each of the previous frequencies.

• A histogram that uses the percentages of the frequencies.

• A histogram that uses the frequencies from largest to smallest.

• A histogram that uses the frequencies from smallest to largest.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Which of the following best describes an Ogive?

• A vertical bar graph with the bars positioned so the frequencies go from largest to smallest.

• A vertical bar graph with the bars positioned so the frequencies go from smallest to largest.

• A line graph that displays the cumulative frequencies

• A histogram that uses the percentages of the frequencies.

Find the mean of the data: 52, 67, 85, 46, 38, 71

• 58.2

• 54.5

• 65.5

• 47.1

Tags

CCSS.6.SP.B.5C