On a line plot, the number of times a data value occurs in a data set is indicated by cross marks above that value on a number line.

In the plot the number of cross marks above the name Venus is 1, which is the least.

So, Venus made least number of attempts to hit the target.

The number of cross marks above each day in the graph represent the number of hours Jeff spent watching TV on that day of the week.

From the graph, Jeff spent 5 hours watching TV on Wednesday.

There are 24 hours in a day.

So, the number of hours Jeff didn't watch TV on Wednesday = 24 - 5 = 19

The number of stamps of each country collected by Sam is indicated by the number of cross marks over each country's name.

The number of stamps of the 6 countries collected by Sam are 10, 5, 8, 3, 6 and 4.

Average of the number of the stamps = sum of the number of stampsnumber of countries.

So, Sam collected an average of 6 stamps per country.

The number of cross marks above each name indicates the number of chocolates the student has.

From the plot, the number of chocolates Mitch has = 9

The number of chocolates Catherine has = 4

Difference between the number of chocolates that Mitch and Catherine have = 9 - 4 = 5

So, Mitch has 5 more chocolates than Catherine.

The number of health surveys conducted in each month is indicated by the number of cross marks above the month in the plot.

The more the number of cross marks, the more number of health surveys were conducted.

From the graph, the number of cross marks for the month of May is the maximum.

So, the maximum number of health surveys were conducted in the month of May.

The number of lights of a particular color is indicated by the number of cross marks over the color, in the line plot.

From the plot, the number of orange colored lights on the tree is 9.

From the plot, there were 5 green colored lights on the tree.

The difference between the number of orange and green colored lights = 9 - 5 = 4

So, there are 4 more orange colored lights on the Christmas tree than the green colored lights.

The number of cross marks above each tree represents the number of fruits plucked from that particular tree.

Number of bananas plucked = 7

Number of apples plucked = 3

Difference between the number of apples and bananas plucked = Number of bananas plucked - Number of apples plucked

So, 4 more bananas were plucked than apples.

The number of lights of a particular color is indicated by the number of cross marks of the color, in the line plot.

From the graph, the number of blue colored lights in the club is 10.

The number of green colored lights in the club is 5.

The difference between the number of blue and green colored lights = 10 - 5 = 5

So, there are 5 more blue colored lights in the club than the green colored lights.

Let s be the total number of students obtaining a C in the school.

Number of students obtaining a C in the sampleNumber of students taken as sample = Total number of students obtaining a C in the schoolTotal number of students in the school

212 = s156

12 x s = 2 x 156

s = 2 × 15612

s = 26

So, there are about 26 students obtaining a C in the school.

The number of cross marks above each grade represent the number of students in the particular grade who got an 80% on their exam.

The number of students of 8^th grade student who received an 80% is 3.

The number of students of 7^th grade who received an 80% is 6.

Difference between the number of students of 8^th and 7^th grades who got 80%

So, 3 more student(s) of 7^th grade got 80% than those of 8^th grade.

The number of cross marks over each name represent the number of students who have the particular opinion.

From the plot, the number of cross marks over the number of students who agreed for the test is 3.

So, the number of students in the class who agreed for the test is 3.

The number of words written by each of the students is indicated by the number of cross marks over the name of the student, in the plot.

From the plot, the number of words written by David is 9 and that by Catherine is 4.

The difference between the number of words written by David and that by Catherine = 9 - 4 = 5

The number of shoes is represented using cross marks above the line.

The number of cross marks above running shoes is 6.

The number of cross marks above walking shoes is 9.

The number of cross marks above tennis shoes is 7.

So, the number of walking shoes Sam owns is 9.

In a line plot, the number of times a data value occurs in the data set is indicated by cross marks above the respective data value on the number line.

The cross mark above Mango is 1.

So, the number of Mangoes in the bag is 1.

The number of cross marks above each boy′s name indicates the number of toy cars each boy has.

Looking at the line plot, we learn that Jack has the maximum number of toy cars.