Problem Analysis in Comparing Data Sets

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CCSS.3.MD.B.4

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The dot plots show how many times the students in two different classes have seen Jurassic Park. Which statement is best supported by this data?

• The mode number of watches in Mr. Frog’s class is lower than the mode number of watches in Mr. Groog’s class.

• The median number of watches in Mr. Groog’s class is less than the median number of watches in Mr. Frog’s class.

• Mr. Frog's class has a greater range in number of watches than Mr. Grogg's class.

• None of the above are supported by the data.

• The distributions of the data for Team A and Team B are approximately symmetrical.

• The median height of the players on Team B is less than the median height of the players on Team A.

• Team B has a greater range in player heights than Team A has.

• The mode height of the players on Team B is less than the mode height of the players on Team A.

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• The range for both rides is 20.

• The interquartile(IQR) range for both rides is 10.

• Rocket blast has a larger mean than Topsy Turvy.

• Both rides have a median wait time between 25-30 minutes.

Isiah collects data from two different companies, each with four employees. The results of the study, based on each worker's age and salary, are listed in the tables above. Which statement is true about these data?

• The median salaries in both companies are greater than $37,000

• The mean salary in company 1 is greater than the mean salary in company 2

• The salary range in company 2 is greater than the salary range in company 1

• The mean age of workers at company 1 is greater than the mean age of workers at company 2

How many more Freshman ate pizza than Juniors?

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