Unit 4 Data Analysis Review

Emaline surveyed her classmates to learn their favorite hamburger toppings and created this graph. What important information is missing from this graph?

• The title of the graph

• The labels for each axis

• The toppings categories

• The names of her classmates

Answer explanation

Both the horizontal axis and vertical axis need labels!

What would be the best title for this graph?

• Children's Favorite Numbers

• Ages of Children at Summer Camp

• Number of Children in Different Families

Answer explanation

The horizontal axis shows the child's age and the vertical axis shows the number of campers.

What important information is missing from this graph?

• The title of the graph

• The labels for each axis

• The ages categories

• The names of the campers

Answer explanation

All graphs need a title!

What two toppings received an equal number of votes?

• Bacon

• Cheese

• Ketchup

• Mustard

Answer explanation

Both bacon and mustard have 16 votes.

How many people voted for onions or cheese?

• 5 people

• 12 people

• 21 people

• 26 people

Answer explanation

21 + 5 =26

Choose all of the following conclusions that can be made from this graph.

• People liked onions the least.

• Everyone likes ketchup.

• 29 people prefer ketchup over onions.

• 11 more people like bacon than onions.

What important information is missing from this graph?

• The title of the graph

• The months

• The amount of money

• The labels for each axis

Answer explanation

All graphs need a vertical and horizontal axis label.

Based on the graph, about how many pools were sold in June and July?

• 14 pools

• 29 pools

• 43 pools

• 63 pools

Answer explanation

29 + 14 = 43 pools

Between which two months did Paul's Pool Company have an increase in sales?

• June and July

• May and June

• April and August

• July and August

Answer explanation

Increase means going up!

Between which two months did Paul's Pool Company have an decrease in sales?

• June and July

• May and June

• April and August

• April and May

Answer explanation

Decrease means going down!