Data Displays (Ch. 7)

Measures of Central Tendency

100

Find the mean, median, and mode of the ski resort temperatures below: 11, 0, 10, 3, -9, 10, 3, -2, 10

mean: 4 median: 3 mode: 10

200

TEXTBOOK: p. 303 #3 Find the mean, median, and mode.

mean: 1.7 median: 1 mode: 1

300

Find the mean, median, and mode of the kilometers Mr. Chasney ran last month: 3.5, 4.0, 4.4, 3.9, 4.3, 4.1, 4.3, 4.5, 2.0, 5.0, 4.0

mean: 4 median: 4.1 mode: 4.0 and 4.3

400

SEE QUIZ #3: Find the mean, median, and mode of the data from the line plot.

mean: 4.375 median: 4 mode: 4

500

SEE QUIZ #4: Find the mean, median, and mode of the data from the stem-and-leaf plot.

mean: 201.75 median: 193.5 mode: none

Box-and-Whisker Plots

100

Make a box-and-whisker plot for the weights (in pounds) of pumpkins sold at a market. 16, 20, 14, 15, 12, 8, 8, 19, 14, 10, 8, 16

5 Key Points: 8, 9, 14, 16, 20

200

Make a box-and-whisker plot for the ages of volunteers at a hospital: 14, 17, 20, 16, 17, 14, 21, 18

5 Key Points: 14, 15, 17, 19, 21

300

Make a box-and-whisker plot for the masses (in kilograms) of lions: 120, 200, 180, 150, 200, 200, 230, 160

5 Key Points: 120, 155, 190, 200, 230

400

Make a box-and-whisker plot for the number of colors in a country flag: 3, 2, 2, 4, 4, 3, 6, 3, 5, 3, 4, 1

5 Key Points: 1, 2.5, 3, 4, 6

500

Make a box-and-whisker plot for the points scored in each basketball game: 48, 36, 61, 64, 74, 50, 52, 53, 39, 41, 43, 39

5 Key Points: 36, 40, 49, 57, 74

Scatter Plots & Lines of Best Fit

100

TEXTBOOK: Describe the relationship for the scatter plot on p. 305 #7.

negative

200

TEXTBOOK: Describe the relationship on the scatter plot for #8 on p. 305.

no relationship

300

TEXTBOOK: Do p. 305 #6

a. 2009 b. 225 geese c. positive relationship

400

SEE QUIZ #1A

2006

500

SEE QUIZ #1B

47 male teachers

Choosing a Data Display

100

Choose an appropriate data display. Explain your reasoning. the number of pairs of shoes sold by a store each week

line graph; shows changing over time

200

Choose an appropriate data display. Explain your reasoning. the outcomes of spinning a spinner with 3 equal sections numbered 1, 2, and 3

circle graph; shows data as parts of a whole

300

Choose an appropriate data display. Explain your reasoning. comparison of the number of cans of food donated by each eighth grade class

pictograph; shows data using pictures

400

Choose an appropriate data display. Explain your reasoning. comparison of the heights of brothers and sisters

scatter plot; shows the relationship between two data sets

500

SEE TEST #10

The intervals on the x-axis are not even.

FCAT Challenge

100

SEE FCAT CHALLENGE "Number of Ripe Tomatoes per Vine"

C. 50

200

SEE FCAT CHALLENGE "Delayed Flights"

B. 23 minutes

300

SEE FCAT CHALLENGE "Total Cost of Food"

C. Removing a can of soup from the basket reduces the cost by $3.

400

Find the base of a parallelogram with a height of 8 meters and an area of 88 meters squared.

What is h = 11 meters

500

Find the width of a rectangle if its length is 20 meters and its perimeter is 56 meters.

What is w = 8 meters