One Variable and Two Variable Statistics

What does point C on the box plot represent?

• First Quartile

• Median

• Third Quartile

• Mean

What is the median of this data set?

• 8

• 12

• 15

• 19

Data points in the first quartile are between which two points?

• 6 and 8

• 8 and 12

• 12 and 15

• 15 and 19

Find the Median of the following numbers:
84, 88, 72, 74, 98, 16, 94 

• 16

• 98

• 84

• There is no median.

Find the Lower Quartile of the following numbers:
84, 88, 72, 74, 98, 16, 94 

• 72

• 88

• 94

• There is no Lower Quartile.

Find the Upper Quartile of the following numbers:
84, 88, 72, 74, 98, 16, 94 

• 72

• 88

• 94

• There is no Upper Quartile.

Which interval has 400 employees?

• 33-43

• 0-10

• 77-87

• 66-76

Given this regression information in Desmos, what is the correlation coefficient?

• 0.9023

• 0.9499

• 3.20693

• 28.0081

What could be the relationship statement for this scatter plot?

• Ice cream sales depend on temperature.

• As the outside temperature increases, the ice cream sales increase.

• As the outside temperature decreases, the ice cream sales increase.

• There is no relationship between sales and temperature.

Given this regression line information in Desmos, what is the equation of the regression line?

• y = 0.9499x

• y = 3.2x + 28

• y = 0.95x + 0.90

• y = 28x + 3.2