Statistics Worksheet Page 9

Name: ______________________

ID: A

21. A wildlife manager working at the Everglades Ntional Park in Florida measured and tagged adult male

crocodiles. The data he collected are at the right.

a. What are the mean and median lengths of the crocodiles?

b. The wildlife namager captured another crocodile. Its length was 3.3 m. What is the mean with this

new piece of data? What is the median? Round to the nearest tenth?

22. How does an outlier affect the mean of data?

23. Suring the first 6 hours of a trip, you average 44 mph. During the last 4 hours of your trip, you average

50 mph. What is your average speed for the whole trip?

24. You have a mean score of 84 after taking five 100-point tests. What do you need to score on the sixth

100-point test to have a mean score of 85?

25. Five runners on the track team have the following times in seconds for the 100-meter dash. What is the

difference between the mean and the median of the following times

10.2

10.6

11.9

9.9

10.6

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