Quiz about Line of Best Fit by Hansberry

Question 1

What type of association does this graph have?

Accepted Answer

negative

Answer

positive

Answer

none

Answer

all of the above

Question 2

What type of association does this graph show?

Accepted Answer

none

Answer

Positive

Answer

negative

Answer

all of the above

Question 3

Is this line an accurate line estimate of best fit for the data?

Accepted Answer

No

Answer

Yes

Question 4

Is this line an accurate line estimate of best fit for the data?

Accepted Answer

Yes

Answer

No

Question 5

What is the equation of the line of best fit?

Accepted Answer

y= $$-\frac{1}{2}x\ +\ 6$$

Answer

y= $$\frac{1}{2}x\ +6$$

Answer

Answer

Question 6

What is the equation of the line of best fit

Accepted Answer

y= -2x + 10

Answer

y= 10x+ 2

Answer

y=2x+10

Answer

y= 10

Question 7

Which line is the best line of best fit?

Accepted Answer

b

Answer

a

Answer

c

Answer

i don't see any lines

Question 8

What are the coordinates of the outlier?

Accepted Answer

(9,1)

Answer

(1,9)

Answer

(2,2)

Answer

y=x

Question 9

Which sentence describes the relationship shown on this scatter plot?

Accepted Answer

As the temperature increases, the number of visitors increases.

Answer

As the temperature decreases, the visitors increase.

Answer

As the visitors increase, the temperature decreases.

Answer

No correlation

Question 10

What is the equation of the line of best fit?

Accepted Answer

y= $$\frac{1}{2}x\ +3$$

Answer

y= 2x+3

Answer

y=3x+2

Answer

y= $$-\frac{1}{2}x\ +3$$

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