Unit 8 & 9 STAAR Review

Unit 8 & 9: Statistical Data & Financial Literacy

Data Correlations/Associations

You can describe data as:

• Linear or Non-Linear

• Weak or Strong

• Positive, Negative, No Association

Multiple Choice

Multiple Choice

Which scatterplot does NOT suggest a linear relationship between x and y?

Predictions from Scatterplots

Multiple Choice

• 12 lb

• 75 lb

• 45 lb

• 105 lb

​Mean Absolute Deviation

Multiple Choice

Find the Mean Absolute Deviation of the following data set:

15, 30, 24, 19

• 22

• 5

• 9

• 12

​Simple & Compound Interest

​A = I +P

​I = A-I

Multiple Choice

• $1,800

• $600

• $450

• $1,873

Cost of College

• Subtract any family contributions, grants, or scholarships

• If parents are contributing a certain percentage, the student is responsible for the remainder. Multiply the percentage by the tuition to get what student will pay.

  ex: Parents pay 70% then student pays 30%

• If saving monthly:

  • Convert years to months (12 months = 1 year)

  • Divide the remaining tuition by the number of months the person will be saving

Multiple Choice

• $637.50

• $1,350

• $112.50

• $28.12