Summer Math: Entering Algebra 1 Worksheet (Page 7 of 8) in pdf

Summer Math: Entering Algebra 1 Worksheet Page 7

Statistics and Probability (SP)

1. Salary

The average salary of the nine

How much does Paola earn per year?

How much of an increase in total funds would it cost the

salaries so that the average of their salaries is $28,000?

Explain how you determined your answer.

2. Favorite-‐Flavor Ice Cream

The chart below shows the results of the favorite-‐flavor ice cream survey for the 100 students enrolled in the

four ninth-‐grade classes at Manville High School in Manville, NJ.

Teacher

Enrollment

Chocolate

Vanilla

Strawberry

Peach

Mrs. Weber

Ms. Zullo

Mrs. Malinowski

Ms. Joy

Total Students

100

Use fractions, decimals or percents to show what part of the entire ninth-‐grade voted for each of the

four flavors.

Which one of the classes voted the same way for each of the flavors as did the entire ninth-‐grade?

Make a circle graph to show the results of the survey for the entire ninth-‐grade.

Explain how you know. Provide specific examples to show the flavors have the same ratios.

Summer Math: Entering Algebra 1 Worksheet Page 7