linear equations
Two Variable Statistics
One Variable Statistics
100

solve for X

4x−7(2−x)=3x+2

 x=2

100

Which correlation coefficient best describes the data?

  • a. 0.2
  • b. 0.8
  • c. 1
  • d. 0.8
  • e. -0.2
  • f. -1

the answer is

0.8

100

“What is the typical distance a moped can be driven on a single tank of gas?” 

is a statistical question.

  • True
  • False

answer is 

true


200

solve for T

16−2t=t+9+4t

t= 1

200

Identify the type of correlation shown in the graph.

Positive

Negative

No Correlation

Undefined

the answer is 

No Correlation

200

Find the mean of the data:
17, 27, 26, 2, 1, 21, 13, 16, 19, 5, 7


10.5

21

14

6

the answer is 

14

300

solve for D

2d+4=10+5d

D=-2

300

Identify the relationship between the number of siblings you have and your weight.

Positive relationship

Negative relationship

No relationship

All of the above

the answer is 

No relationship

300

17.

6

8

16

20

the answer is 

16

400

solve for K

20-6+4k=2-2k

K=-2


400

Which with is the line of best fit?

A) Black

B) Orange

C) Red

D) Blue

the answer is 

B) Orange

400

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?


193

127

60

66

the answer is 

66

500

solve for M

12.6+4m=9.6+8m

M=0.75

500

How do you calculate a residual?

Observed - Predicted

Predicted - Observed

the answer is 

Observed - Predicted


500

7.


Skewed Left

Skewed Right

Uniform

Symmetric

 SHOW ANSWER

the answer is 

skewed right