10.2 Histograms review lesson + Quiz

10.2 Histograms review lesson

Use pages 87-92 to complete this lesson.

Multiple Choice

TRUE or FALSE;

We use a histogram to represent grouped data with class intervals

• TRUE

• FALSE

Multiple Choice

The salary of the employees in the office were $15,000; $18,000; $16,000; $14,000; $90,000; and $17,000.  

Does this represent grouped or ungrouped data?

• Grouped

• Ungrouped

Multiple Choice

Given the date below, Does it represent grouped or ungrouped data?

• Grouped

• Ungrouped

Multiple Choice

Tandi record the ages of some teachers as follows; 34, 32, 12, 65, and 45.

This is grouped data.

• TRUE

• FALSE

Multiple Choice

Tandi record the ages of some teachers in a table as seen in the image

This is grouped data.

• TRUE

• FALSE

Multiple Choice

Tandi record the ages of some teachers in a table as seen in the image.

Do all the age intervals have the same width? (range / class width?)

• YES

• NO

Multiple Select

Tandi record the ages of some teachers in a table as seen in the image.

Which groups / intervals / classes have a width / range of 3?

• 15-17

• 18-20

• 21-24

• 25-35

• 36-55

Multiple Choice

Tandi record the ages of some teachers in a table as seen in the image.

Which groups / intervals / classes have a width / range of 4?

• 15-17

• 18-20

• 21-24

• 25-35

• 36-55

Multiple Select

Tandi record the ages of some teachers in a table as seen in the image.

Which groups / intervals / classes have a width / range higher than 5?

• 15-17

• 18-20

• 21-24

• 25-35

• 36-55

Multiple Select

Tandi record the ages of some teachers in a table as seen in the image.

What do the values in the frequency column mean?

• The number of teachers in each age group

• Then number of groups

• The number of groups for each teacher

• The number of teachers in each interval

Multiple Select

Which class interval has the lowest frequency?

• 40-44

• 75-79

• 70-74

• 55-59

Multiple Choice

Which class interval has the highest frequency?

• 40-44

• 75-79

• 70-74

• 55-59

Multiple Choice

TRUE or FALSE;

A Histogram consists of rectangles whose areas are proportional to the frequencies in each class

• TRUE

• FALSE

Multiple Choice

TRUE or FALSE;

In a histogram, the width of the rectangle is equal to the class interval.

• TRUE

• FALSE

Multiple Choice

TRUE or FALSE;

In this chapter, we will only deal with histograms of equal class intervals

• TRUE

• FALSE

Multiple Choice

TRUE of FALSE

This histogram has unequal class intervals

• TRUE

• FALSE

Multiple Choice

What is the class width / interval / range of this histogram?

• 10

• 20

• 4.25

• 100

Multiple Choice

Find the class width of this histogram.

• 5

• 10

• 20

• 175

Multiple Choice

What's the total number of girls represented by this histogram.

• 50

• 10

• 20

• 175

Multiple Choice

How many girls have a height int he interval 150-155 according to this histogram.

• 7

• 5

• 6

• 7.5

Multiple Choice

Which class interval has the most number of girls in this histogram.

• 150-155

• 155-160

• 160-165

• 165-170

Multiple Choice

The tallest girl in the class will have a height between 160-165

• TRUE

• FALSE

Multiple Choice

The histogram shows that the heights of most girls lie between 170-175 cm

• TRUE

• FALSE

Multiple Choice

The histogram shows that there are more girls in the lowest class than in the highest class.

• TRUE

• FALSE

Multiple Choice

The histograms in the diagram show the distribution of the times taken by two different classes to complete a math assignment.

Find the number of students from 2A

• 10

• 20

• 38

• 40

Multiple Choice

The histograms in the diagram show the distribution of the times taken by two different classes to complete a math assignment.

Find the number of students from 2B

• 10

• 28

• 36

• 40

Multiple Choice

The histograms in the diagram show the distribution of the times taken by two different classes to complete a math assignment.

Find the number of students from 2A who took more than 40 minutes to complete the assignment.

• 12

• 18

• 36

• 30

Multiple Choice

The histograms in the diagram show the distribution of the times taken by two different classes to complete a math assignment.

Find the number of students from 2B who took more than 40 minutes to complete the assignment.

• 4

• 8

• 12

Multiple Choice

TRUE or FALSE;

75 % of students in 2A took more than 40 minutes to complete the assignment

• TRUE

• FALSE

Multiple Choice

TRUE or FALSE;

75 % of students in 2A took more than 40 minutes to complete the assignment

• TRUE

• FALSE

Multiple Choice

TRUE or FALSE;

Most students in 2A took between 50-60 minutes to complete the assignment

• TRUE

• FALSE

Multiple Choice

TRUE or FALSE;

The graph for 2A is evenly distributed

• TRUE

• FALSE

Multiple Choice

What percentage of students in 2B required more than 40 minutes to complete the assignment?

• 12%

• 15%

• 30%

• 100%

Multiple Choice

TRUE or FALSE?

The students in 2A are more capable than the students in 2B at completing this assignment.

• TRUE

• FALSE

Multiple Choice

Is the time taken to complete the assignment evenly distributed for 2B?

• NO

• YES

Multiple Choice

TRUE or FALSE

Mjjority of 2A students took more than 40 minutes to complete the assignment.

• FALSE

• TRUE

Multiple Choice

TRUE or FALSE

Majority of 2B students took more than 40 minutes to complete the assignment.

• FALSE

• TRUE

Multiple Choice

The number of students who took 20-30 minutes in 2A is the same as the number of students in 2B who took 50-60 minutes.

• FALSE

• TRUE

Multiple Choice

The histograms compare the heights of 50 boys and 50 girls across the same age groups.

Which graph is more evenly distributed?

• Boys

• Girls

Multiple Choice

TRUE or FALSE?

There are more boys in the lowest class than girls

• TRUE

• FALSE

Multiple Choice

What is the class interval for both graphs?

• 10

• 5

Multiple Choice

What percentage of boys is below 165 cm tall?

• 50%

• 28%

• 14%

• 72%

Multiple Choice

What percentage of girls is below 165 cm tall?

• 76%

• 28%

• 14%

• 72%

Multiple Choice

What percentage of boys is above 165 cm tall?

• 76%

• 28%

• 14%

• 72%

Multiple Choice

What percentage of girls is above 165 cm tall?

• 76%

• 28%

• 24%

• 72%

Multiple Choice

How many students were greater than or equal to 60 inches tall?

• 21

• 11

• 17

• 6

Multiple Choice

How many cities have temperatures between 70 degrees and 99 degrees?

• 44

• 34

• 26

• 62

Multiple Choice

What is an interval?

• A single number

• A range of numbers

• A percentage

• A total amount

Multiple Choice

How many people watched more than 25 hours of TV last week?

• 0

• 10

• 38

• 42

Multiple Choice

What type of graph is this?

• Bar Graph

• Histogram

• Line Plot

Multiple Choice

The histogram shows the birth weights of 100 new born babies.  How many babies weighed 8 pounds or more?

• 22

• 23

• 30

• 45

Multiple Choice

What is incorrect about the following histogram?

• The intervals are too small

• The intervals overlap

• The graph does not start at 0

• The axes are not labeled.

Multiple Choice

Emily is making a histogram for the data 12, 24, 56, 7, 34, 75, 86, 78, and 96.  What is the most appropriate first interval? 

• 0-5

• 0-10

• 0-50

• 0-100

Multiple Choice

What type of graph is this?

• Bar Graph

• Line Plot

• Pictograph

• Tally Chart

Multiple Choice

If Raul measured another tree in the orchard, which is most likely the height of the tree?

• 12 feet

• 21 feet

• 3 feet

• 19 feet

Multiple Choice

This is a histogram

• true

• false

Multiple Choice

Heather needs to create a histogram. Which set of data would be the most appropriate?

Draw a Histogram

Use the instructions on the next google classroom post to draw a histogram using google sheet.