Beginner Stats

Consider Sara’s scores on math quizzes this term: 80, 80, 88, 90, 93.
Find the score needed on the next quiz to bring her average up to 88.

• 78

• 88

• 90

• 97

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

How many students were surveyed in the "Biking to School" two-way table?

• 16

• 14

• 11

• 30

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? 

• 4%

• 14%

• 13%

• 29%

What is the relative frequency of people that purchased no food?

• 10%

• 60%

• 15%

• 30%

What type of association does this scatter plot represent?

• positive linear association

• negative linear association

• no association

• nonlinear association

Which scatter plot shows a negative relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Which scatter plot shows no relationship?

• Graph A

• Graph B

• Graph C

• Graph D

What percentage of males drive sports cars?

• 35%

• 16.25%

• 65%

• 25%

What percentage of SUV's are driven by women?

• 56.25%

• 75%

• 83.25%

• 86.5%