Module 5 Test Review

What is the correlation for the following Scatter Plot.

• Weak Positive

• No Correlation

• Strong Negative

• Weak Negative

• Strong Positive

Tags

CCSS.HSS.ID.B.5

Given the following Scatter Plot, select the option that is most likely the r value.

• $r=.27$

• $r=-.862$

• $r=.934$

• $r=.54$

Tags

CCSS.HSS.ID.C.8

If r=0, there is a strong correlation.

• True

• False

Tags

CCSS.HSS.ID.B.5

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1

Tags

CCSS.HSS.ID.C.8

The linear regression equation is y = 61.93x - 1.79. Use the equation to predict how far this person will travel after 10 hours of driving.

• 10 miles

• 617.51 miles

• 0.19 miles

• 500 miles

Tags

CCSS.HSF.LE.B.5

The linear regression equation is y = 61.93x - 1.79.  According to the model, the slope can be interpreted as:

• After 0 hours of driving, they went 61.93 miles.
• They drove at a speed of 61.93 miles per hour.
• They drove 61.93 miles total.
• They drove 61.93 hours total.

Tags

CCSS.HSF.LE.B.5

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
• y = -8x + 0.67

Tags

CCSS.8.EE.C.8C

Write the equation in  $point-slope$   form given:

m = -6 and (-2, 5)

• $y=-6x+5$

• $y+2=-6\left(x-5\right)$

• $y-5=-6\left(x-2\right)$

• $y-5=-6\left(x+2\right)$

Write the equation in  $slope-intercept$   given:

m = 3 and b = 5

• $y=3x+5$

• $y=3x-5$

• $y=5x-3$

• $y=-3x+5$

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation in  $slope-intercept$   given:

(-4, 3) and (1, 13)

• $y-3=2\left(x+4\right)$

• $y=2x\ +\ 5$

• $y=2x+11$

• $y=-2x\ +\ 5$