Review Line Graphs and Dot Plots

Line Plot
A line plot, also known as a dot plot.

 

It is a graph that displays ALL data on a number line using symbols like dots or X’s.

• the number in the exact middle of a data set arranged in number order

Median

​0, 1, 2, 3, 3, 3, 5, 5, 5, 5, 6, 6, 7, 8, 8,

• most common

• most dots (or marks) above a single measurement

Mode

• difference between the largest and smallest measurement with at least one data point

Range

​8 - 0 = 8 candy bars

• a data point that is very different (far) from the rest of the set

Outlier

Multiple Choice

How many cars were sold on Saturday and Sunday?

• 5

• 3

• 8

• 10

Multiple Choice

How many students had more than 6 candy bars?

• 5

• 2

• 3

• 1

Multiple Choice

How many students received a score in the 80's?

• 2

• 10

• 14

• 27

Multiple Choice

What is the highest score in the class?

• 88%

• 100%

• 13

• 98%

Multiple Choice

How many students scored 93% or less?

• 6
• 16
• 14
• 13

Multiple Choice

How many total students are in the science class?

• 13

• 6

• 27

• 25

Stem and Leaf Plot

is a convenient way to organize data using numerical order and place value

What is the least number of dogs that attended Doggie Day Care in a week?

​

Multiple Choice

The stem and leaf plot represents how many weeks?

• 5

• 8

• 9

• 13

Multiple Choice

What is the most often amount of cats groomed in a week?

• 53

• 11

• 4

• 34

Multiple Choice

How many point values are greater than 32 points?

• 6

• 3

• 4

• 13

CIRCLE GRAPH

Representing Circle Graph

• A circle graph or pie chart displays data as sections of a circle.

• A full circle represents 100% of the data.

• The percent (or fractional part) of each section represents a part of the whole data set.

Multiple Choice

Which is the students' favorite sport?

• basketball

• baseball

• hockey

• football

Multiple Choice

Which is the students' least favorite sport?

• basketball

• baseball

• hockey

• football

Multiple Choice

If there are a total of 20 students, how many of them choose basketball?

• 5

• 10

• 15

• 20