Maths-Chapter 12 Review (Stats)

When the numbers on both sides of the distribution look alike.

• cluster

• gap

• peak

• symmetry

The numbers is a set of data that have no data value.

• cluster

• gap

• peak

• symmetry

The most frequently occurring values, or mode.

• cluster

• gap

• peak

• symmetry

Data that are grouped closely together.

• cluster

• gap

• peak

• symmetry

The bar graph below shows how many questions various percentages of students in a class answered correctly on a recent 10-question quiz. Which statement best describes the data displayed in the bar graph?

• The number of quiz questions answered correctly is clustered around 7 out of 10.

• Most of the students answered approximately 35% of the quiz questions correctly.

• A. The percentage of students increases as the number of questions answered correctly increases.

• Half the class answered from 0 to 5 of the 10 questions correctly.

Tags

CCSS.6.SP.B.5C

CCSS.HSS.ID.A.3

The heights, rounded to the nearest inch, of daisies in a garden are listed below

6 7 8 10 6 5 5 9 8 6

Which histogram correctly displays the heights?

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Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The numbers of people who attended the monthly meetings at a school last year are listed below.

12 14 15 15 16 16 16 17 18 18 18 20

Which box-and-whisker plot represents the numbers of people who attended the monthly meetings last year?

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Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

This histogram represents the ages of mothers in a small group. Which statement best describes the mothers represented in this histogram?

• There is a cluster at 71.

• There is a gap at 57-70.

• The distribution is symmetric.

• The peak of the data is 46.

Tags

CCSS.6.SP.B.4

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Mr. S interviewed 20 people who each have just one pet. He asked them what the difference in age, in years, is between them and their pet. The line plot below shows Mr. S’s data. Mr. S removes the point representing the 10-year age difference from his data. Which measure changes the least in value when this point is removed from Mr. S’s data

• Mean

• Median

• Range

• Mode

The line plot shows the number of Shopkins bought by some students in one year.

Which of the following statements correctly relates the appropriate measures of center and spread to the shape of the distribution?

• The distribution is not symmetric and there are no outliers. The mean and mean absolute deviation are the appropriate measures to use.

• The distribution is not symmetric and there are no outliers. The median and interquartile range are the appropriate measures to use.

• The distribution is symmetric. The mean and man absolute deviation are appropriate measures to use.

• The distribution is symmetric. The median and interquartile range are the appropriate measures to use.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2