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Review for Quiz tomorrow!!!

Authored by Beth Jackson

Mathematics

9th Grade

CCSS covered

Used 1+ times

Review for Quiz tomorrow!!!
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

y = 1.5x + 12
y = 12x + 1.5
y = 0.67x - 8

Tags

CCSS.8.EE.C.8C

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

y = 61.93x - 1.79
y = -1.79x + 61.93
y = 0.016x + 0.03

Tags

CCSS.8.EE.C.8C

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Find the equation of the line of best fit

for the given data.

y = 163.41x+1.49

y =- 163.41x+ 4.19

y =- 4.19x+163.41

y = 4.19x -163.41

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What type of correlation does this scatter plot show?

positive

negative

no correlation

Tags

CCSS.HSS.ID.B.5

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What type of association does this graph have?

positive

negative

none

Tags

CCSS.HSF-LE.A.1B

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Which of the following lines represents the line of best fit for the scatter plot?

A
B
C
D

Tags

CCSS.8.EE.B.5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The graph above shows a line of best fit for data collected on the amount earned by waiters and waitresses last week in relation to the number of tables they served.  Using the red line, what is the equation of the line of best fit?

y = (5/3) x + 375
y = (1/3) x + 375

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