Statistics

Which scatter plot shows a linear relationship?

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Which scatter plot shows a linear relationship with a positive correlation?

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Which scatter plot shows a nonlinear relationship?

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Which inference is reasonable based on the data in the scatter plot?

• If person A goes to school for 16 years and person B goes to school for 12 years, person B can expect to make more money the person

• If person B does not go to college and person A goes to college, person B will earn more money than person A

• If person A goes to school twice as long as person B, person A can expect to make twice as much as person B

• If person B goes to college and person A does not go to college, person B is likely to earn more money than person A

Which equation best models the trend line of the data shown?

• y=9

• y=x-3

• y=-3x+3

• y=3x-3

• 9

• 10

• 11

• 8

What is a valid conclusion about the data?

• Most students did not attend either activity

• If a student attended the school play, it is likely that they did not attend the soccer game

• More than half of the students who were surveyed attended the school play and the soccer game

• Of the students who attended the soccer game, more than half of them also attended the school play

What is the relative frequency of students who volunteer given they are sixth grade?

• 1

• 25/75

• 50/75

• -1

How many students play a team sport but do not take dance classes

• 398

• 96

• 78

• 380