iCoachMath.com: Examples on Bar, Circle, and Dot Plots - Organizing Data

Curriculum: Alaska Math Grade Level Expectations Click to change Curriculum

Topic: Organizing Data Click to change Topic

Lesson: M.A.6, B.1-3,6, D.1-2: Bar, Circle, and Dot Plots Click to change Lesson

Click on a 'View Solution' below for other questions:

e The total revenue of five companies are represented in the bar graph. What is the difference between the revenue earned by company B and company D?
e

View Solution

e A survey conducted by the Educational Department reveals the expenditure on the secondary and high schools. Pick an appropriate bar graph which represents the data shown in the table.

Year	Secondary School (in $millions)	High School (in $millions)
1985	325	225
1990	361	240
1995	418	274
2000	425	277

View Solution

e Customers of a food store were asked to rate the taste of a new health drink as Poor(P), Good(G), or Excellent(E). The data collected is shown here:

G	E	P	G	E
G	E	G	P	G
E	G	G	G	E
P	G	E	G	P
E	P	G	E	G

Which graph represents the Pareto chart for the given data? e

View Solution

e Which among the Pareto charts represents the frequency of the reasons for late arrival of an employee on a particular year?

Causes for late arrival	Number of occasions
Family problems	8
Woke up late	20
Had to take the bus	4
Traffic tie - up	32
Sick	6
Bad weather	3

View Solution

e The pie chart represents the expenditure on different sports by a school authority in a calender year. If the expenditure on Tennis is $880, then what is the expenditure on each sport? e

View Solution

e The orbital velocities of the planets in our solar system are shown in the table. Construct a Pareto chart for the data.

Planet	Velocity (mi/sec)
Mercury	29.7
Venus	21.8
Earth	18.5
Mass	15.0
Jupiter	8.1
Saturn	6.0
Uranus	4.2
Neptune	3.4
Pluto	3.0

View Solution

e In a survey, the percentage loss of forest cover is as recorded.

Region	Percent
Asia/Pacific	76
Europe (Excluding Russia)	75
Russia	24
Africa	68
America	35

Represent the data in a Pareto chart. e

View Solution

e The dot plot shows the number of chocolates each student of a class has. How many more chocolates does David have than Joe? Who among the following has median number of chocolates? e

View Solution

e The sales of a local electronic goods store in a particular month is shown in the bar graph. What was the difference between the sales of washing machines and refrigerators in that month? e

View Solution

e Find the decrease in the number of birds from 1997 to 1999 from the bar graph as shown. In which year did the zoo have the least number of birds?
e

View Solution

e The bar graph displays the number of people who eat different food items. Find the difference in the number of people who eat Burgers and Deserts. Which of the dot plots represent the data? e

View Solution

e The number of phone calls received by Nathan during each day of the week are in the dot plot. Find the average number of calls Nathan received per day. e

View Solution

e Construct a pie graph for the points scored by a student in final examination representing the percentage of scores in each subject.

Subject	Score
English	82.5
Math	105
Science	120
French	135
History	97.5

View Solution

e Calculate the percentage raise in the number of vehicle registrations from 1990 to 2000 from the graph. e

View Solution

e The number of various kinds of snakes found in a zoo are shown in the dot plot. What is the total number of snakes in the zoo?
e

View Solution

e The number of children of different age living in a housing complex are shown in the table. Select an appropriate dot plot for the data.

Age	Number of children
13	6
14	8
15	9
16	7
17	4

View Solution

e Find the mean and mode of the dot plot as shown. e

View Solution

e The sale of food items in U.S. for the year 2000 is shown in the table.
I. What is the angle made by the sale of bevarages in the pie chart?
II. Find the ratio of the percentage sale of dairy to the sale of produce.
III. What fraction of sales is grain / cereals?

Food items	Sales ($)
Dairy	114255.50
Beverages	79807.65
Confections	76223.75
Meat/Poultry	76958.83
Seafood	51674.80
Grains/Cereals	62039.82
Condiments	50491.47
Produce	43278.18

View Solution

e The preferences of a group of 300 students to different soft drinks are detailed in the table.

Soft drink	Number of Students
Pepsi - Cola	92
Diet Coke	78
Mt Dew	48
7 UP	42
Others	40

Construct a pie graph for the data representing the central angle for the number of students preferring each soft drink.
e

View Solution

e The mode of transport of a group of students to the school is shown in the table.

Mode of transport	Number of students
Walking	9
Train	10
Tram	6
Car	12
Bicycle	3

What fraction of the students travel by train? Find the ratio of the percentage of the students traveling by bicycle to the students walking to the school. e

View Solution

e The sales of a fruit vendor is shown in the table. Construct a pie chart.

Types	Number of Sales	Percent
Apples	120	12%
Strawberry	300	30%
Orange	160	16%
Mangoes	200	20%
Others	220	22%

What is the difference between the sales percent of mangoes and apples?
e

View Solution

e The bar graph represents the rainfall in a city from October to December. Find the range of the data.
e

View Solution

e The manager of ABC company investigated the reasons for the delay associated with processing 67 credit card applications. Pareto chart for the data is shown. Find the total percentage of customers who have not signed on the applications and who have not given their addresses. e

View Solution

e The number of poems written by students in a competition is shown in the dot plot. What is the fraction of poems written by Tom?
e

View Solution

e The pie chart represents the expenditure of a family on different items. Answer the following questions by analyzing the pie chart.
I. Find the percentage expenditure on Fuel.
II. What fraction of expenditure is spent on Housing?
III. Find the percentage difference in the expenditure of Clothing and Others. e

View Solution