6Th Grade GT- Lesson 9.6 Homework

NAME ______DATE______PERIOD ______

6th Grade GT- Lesson 9.6 Homework

Compare Populations

Compare the centers and variations of the two populations in each exercise.Round to the nearest tenth if necessary. Write an inference you can drawabout the two populations.

Course 2 • Chapter 9Statistics and Sampling

NAME ______DATE______PERIOD ______

1. The box and whisker plots show the dailyattendance for two fitness clubs for onemonth.

Which graph shows the greatest variation?______

Which graph has the greater median?______

Which graph has the smaller inner quartile range?_____

What can you say about the two gyms based on these observations?______

2. The double dot plot shows theweights in pounds of several housecatsand small dogs.

Which plot shows the greatest variation?______

Which plot has the greater median?______

Which graph has the smaller mode?_____

What can you say about house cats and small dogs based on these observations?______

Course 2 • Chapter 9Statistics and Sampling

NAME ______DATE______PERIOD ______

3. The double dot plot showsthe gas mileage, in miles per gallon, forseveral cars and SUVs.

Which plot shows the greatest variation?______

Which plot has the greater median?______

Which graph has the smaller mode?_____

Which vehicles get better gas mileage?______

4. The double box plot showsthe number of Calories per serving forvarious fruits and vegetables.

Which graph shows the greatest variation?______

Which graph has the greater median?______

Which graph has the smaller inner quartile range?_____

What can you say about fruits and vegetables based on these observations?______

______

Course 2 • Chapter 9Statistics and Sampling

NAME ______DATE______PERIOD ______

Lesson 9.6 Skills Practice

Compare Populations

1.The double box plot shows the heights in inches for the players on two professional basketball teams. Compare their centers and variations. Write an inference you can draw about the two populations.

2. The double dot plot shows the number of minutes two students spent practicing the piano. Compare their centers and variations. Round to the nearest tenth. Write an inference you can draw about the two populations.

3. The double box plot shows the daily number of customers for two ice cream parlors. Compare the centers and variations of the two populations. Which ice cream parlor has the greater number of daily customers?

Course 2 • Chapter 9Statistics and Sampling