Statistics: VA Algebra 2 SOL Review

Describe the correlation in the graph shown.

• Strong Negative
• Strong Positive
• Weak Negative
• Weak Positive

Describe the correlation in the graph shown.

• Weak Negative
• Weak Positive
• Strong Negative
• Strong Positive

The linear regression equation is y = 61.93x - 1.79.  The y-intercept can be interpreted as:

• After 0 hours of driving, they went -1.79 miles.
• They are driving -1.79 miles per hour.
• They drove 1.79 miles total.
• They drive 1.79 hours total.

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
• y = 0.03x + 0.016

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

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
• 617.5 miles
• 0.19 miles
• 500 miles

Find the curve of best fit for the relationship of the horizontal distance and the height of the ball.

• h(x) = -18x² + 2.11x + 4.21
• h(x) = -.06x² +1.06x + 7.9
• h(x) = -6x² +1.06x + 79
• h(x) = -.12x² + 2.11x + 4.22

Find the height of the ball when it traveled a distance of 10 feet.

• 12.8 ft
• 13.3 ft
• 11.1 ft
• 17 ft

Find the population for 1975.

• 623 thousand people
• 650 thousand people
• 599 thousand people
• 513 thousand people

Find the best fitting Quadratic model for the data

• d(x) = -.26x^2-17.3x+222.8
• d(x) = -.26x²+22.59x+23.02
• d(x) = 2.6x²+22.9x+20.03
• d(x) = 2.6x²+2.3x+23.02

What is the y-value when the x-value is 5?

• 18.6
• 19.6
• 17.6
• 16.6