Data Analysis Graphs

Why do we use graphs to show data?

• • To confuse people

• • To organize and understand data easily

• • To make it look pretty

How can we tell if different graphs show the same data?

• By guessing

• By looking at the colors

• By comparing the counts or frequencies

How many people have two or less books in their desk?

• 4

• 5

• 6

• 7

How many scores are listed in this Stem and Leaf Plot?

• 3

• 6

• 9

• 18

The graph shows the results of a survey in which students were asked to name their favorite season. How many students were surveyed in all?

• 26

• 27

• 16

• 18

How many pizzas were sold by Domiano’s Pizza and Little Secrets Pizza?

• 160

• 200

• 20

• 180

The graph below shows the number of sunny days and rainy days in a city during four months.

Based on the graph,how many more sunny days than rainy days did this city have during the months of April, May, and June?

• 21

• 56

• 26

• 20

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

• 2

• 10

• 14

• 27

Which day had more minutes of homework?

• Wednesday

• Thursday

• Friday

• Ms. Jones

How many more students played soccer than football?

• 3

• 30

• 6

• 60