Lesson 9Two-Way StreetsPractice Understanding

Write the explicit linear function for the given information.

2.

Mike earns an hour.

Set

Here is the data from Mr. Austin’s -point quiz. Students needed to score or better to pass the quiz.

1st Period Math

2nd Period Math

3rd Period Math

7.

1. Make a two-way frequency table showing how many students passed the quiz and how many students failed the quiz in each period.

2. Shade the cells containing the joint frequency numbers in the table. The unshaded numbers are the marginal frequencies.

1st Period

2nd Period

3rd Period

Total

Passed

Failed

Total

8.

If Mr. Austin wanted to see how many students in all periods combined passed the quiz, where would he look?

9.

If Mr. Austin wanted to write a ratio of the number of passing students compared with the number of failing students for each period, where would he find the numbers he would need to do this?

For each two-way table, create the indicated relative frequency table, and provide two observations with regard to the data.

10.

This table represents survey results from a sample of students regarding mode of transportation to and from school.

Walk

Bike

Carpool

Bus

Total

Boys

Girls

Total

Create the relative frequency of column table. Then, write two observations about the data in the table.

Walk

Bike

Carpool

Bus

Total

Boys

Girls

Total

11.

The two-way table contains survey data regarding family size and pet ownership.

No Pets

Own One Pet

More than One Pet

Total

Families of or Less

Families of or More

Total

Create the relative frequency of row table. Then, write two observations about the data in the table.

No Pets

Own One Pet

More than One Pet

Total

Families of or Less

Families of or More

Total

12.

The two-way table below contains survey data about boys’ and girls’ shoes.

Athletic Shoes

Boots

Dress Shoes

Total

Girls

Boys

Total

Create the relative frequency of whole table. Then provide two observation statements.

Athletic Shoes

Boots

Dress Shoes

Total

Girls

Boys

Total

Go

For each set of data determine the mean, median, range, and standard deviation. Then create a box-and-whisker plot.

15.

How do the data sets in problems 10 and 11 compare to one another?

For each set of data determine the mean, median, range, and standard deviation. Then create a histogram with a bin width of .

18.

How do the data sets in problems 13 and 14 compare to one another?