Algebra 1 5.4 Scatterplots/Lines of Fit

The scatter plot shows scores for Quiz 1 and Quiz 2. What is the Quiz 1 score for a student who earned a 13 on Quiz 2?

Mathematical Equivalence

ON

Did any students receive the same score on Quiz 1 and 2?

• yes

• no

If you answered yes to the last question, what was the score? If the answer was no, please just type "0".

Mathematical Equivalence

ON

Does one quiz seem to have better scores over the other?

• yes, Quiz 1

• yes, Quiz 2

• no difference

What type of correlation does the graph show?

• positive

• negative

• no correlation

Tags

CCSS.8.SP.A.1

What type of correlation does the graph show?

• positive

• negative

• no correlation

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Write an equation that models the approximate number of pineapple plants (y) as a function of the number of years (x) since 2004.

Mathematical Equivalence

ON

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

What does the slope represent in the equation you wrote on the last question? Recall, x is the number of years since 2004 and y represents the number of pineapple plants.

• 2 pineapples grow each year

• 1 pineapple grows each year

• 2 years pass before a pineapple grows

• 1 year passes before a pineapple grows

Tags

CCSS.HSS.ID.C.7