Algebra Statistics

Find the Median of the data set

• 82

• 86

• 88

• 92

Find the Mean of the data set

• 82

• 86

• 88

• 92

Find the Mode of the data set

• 82

• 86

• 88

• 92

Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

• 7

• 7.44

• 8

• 7 and 8

A company sold a total of 150 adult and child tickets to a fundraiser. The company charged $10 for each adult ticket and $6 for each child ticket for $350.

Write an equation to represent the total amount of tickets.

Mathematical Equivalence

ON

What is the value of y in the solution to this system of equations? 3x - 5y = 22 y = -5x + 32

Mathematical Equivalence

ON

Graph the solution to the system. The first equation has been plotted for you.

y = -3x-3

y= 4x +4

The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?

• The mean would not change

• The mean would go up

• The mean would go down

Which class has the higher median?

• 1st period

• 2nd period

• They have the same median

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? 

• 4%

• 14%

• 13%

• 29%