Equivalent Ratios
Unit rates
Variation
Centers
Distribution
100

Write equivalent ratios

Pens to pencils 1:2

Pens to pencils 3:?



What is 6?

100

What is the unit rate if pizza costs 27 dollars for 3 pizzas?

What is $9

100

How do you find IQR?

Subtract q1 from q3

100

What are the three measures of center

mean, median and mode

100

Name the three shapes of distribution?

left, right, symmetric

200

Write equivalent ratios

Sodium to crackers is 240g to 36

Sodium to crackers is ? to 15?

100 grams

200

The unit rate is 3ft per yard.  How many ft in 9yards?

What is 27 ft?

200

How do you calculate Mean Absolute Deviation?

Find the mean of the data. Subtract each data value from the mean and take the average of those numbers.
200

How do you find mode?

The Data value that occurs the most often

200

Skewed left and skewed right have other names, what are they?

positive and negative skew

300

Write equivalent ratios 

Yellow to blue pints 3: 4

Yellow to blue pints ? to 10

What is 7 and 1/2

300

Convert 36 quarts to gallons.  There are 4 qts in 1 gallon

What is 9 gallons?

300

What is the best measure of variation and center if you have symmetric data?

What is mean and MAD?

300
Which is the best measure of center when data is skewed?

MEdian

300

What percent of data is in each quartile?

25%

400

Write equivalent ratios

First place to second place cash received is 100: 60

First place to second place cash received is ? : 36

What is 60$?

400

What is the unit rate if the rate is 5 miles per 8 second?

What is 5/8  miles

400

What is the best measure of variation and measure of center when you have skewed distribution?

What is Median and IQR?

400

Which is affected most by the outlier?  median or mean?

1,2,2,2,3,3,3,20

mean

400

How do you find the percent of one of the intervals in a histogram?

Divide the number in the interval by the total.

500

Write equivalent ratios

Girls to boys is 81: 72

Girls to boys is ? : 16

What is 18?

500

What is the unit rate if salmon costs 51$ per 6 pounds

8.50 per pound

500

Find Q1 and Q3

1,2,3,3,4,5

Q2 =3

Q1=2

Q3=4

IQR =2

500

bonus

Free points

500

How do you find the range of the data?

Subtract the smallest data value from the largest.