Presenting and Organizing Data

What type of graph is this?

• BAR GRAPH

• LINE GRAPH

• HISTOGRAM

• PIE CHART

What is the difference in the number of people who liked Mickey Mouse and the number who liked Dora?

• 4

• 10

• 5

• 2

If 100 people were asked, how many would say that pepperoni was their favorite?

• 10

• 25

• 15

• 50

What is the main purpose of a line graph?

• to compare two things

• to have an independent variable

• to show trends over time

• so you don't have to read words

The data set represents the scores on a mathematics quiz. What is the frequency for the interval 70-79?

58, 79, 81, 99, 68, 92, 76, 84, 53, 57, 81, 91, 77, 50, 65, 57, 51, 72, 84, 89

• 2

• 3

• 4

• 5

What is the first thing you should do before finding the median?

• Start crossing numbers off

• Put numbers in order from least to greatest

• List the numbers how they are

• Look for repeats

The first thing you should do when you get a set of data is (a)   .

• Put it in order from greatest to le

• Put it in order from least to great

• find the median

• find the sum

What is an interval?

• .A single number

• A percentage

• A range of numbers

• A total amount

What is this graph showing you?

• The worlds population is staying the same.

• The worlds population was growing but now is decreasing.

• The worlds population is going down (decreasing).

• The worlds population has been growing and will continue to grow.

Is a histogram the same as a bar graph?

• Yes, because they both use intervals.

• Yes, because they both use bars to display data.

• No, because a histogram displays numerical data while a bar graph displays categorical data.

• No, because a histogram displays categorical data while a bar graph displays numerical data.