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Measures Of Central Tendency Quiz 2 (25 MCQs)

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1. On a container ship there were 30 small containers that each weighed 3 tons, 20 medium containers that each weighed 5 tons, and 10 large containers that each weighed 8 tons.Find the mean weight of the containers on this ship.
2. Find the median, mode and range:3, 5, 7, 9, 11, 8, 3
3. The score or value that tells us the middle of where all the other values in a distribution tend to cluster.
4. In the data set below, which number is an outlier?45, 40, 39, 43, 38, 97, 37
5. Find the median of:21, 7, 32, 45, 28, 78
6. The heights of six students in a class are given below:158cm 172cm 164cm164cm 167cm 159cm However, there were actually seven students in the class, and the mean height in the class was 165 cm. What was the height of the unknown student?
7. What does the mean represent in a set of numbers?
8. Roger tried to fill up fifteen bottles of water with the same amount of water. The amounts of water in the bottles were measured in ounces. 15.4, 15.5, 16.5, 14.6, 16.2, 14.3, 14.8, 16.6, 15.3, 14.7, 16.9, 17.2, 15, 15.7, 15.8 Which would be the best measure of center for these amounts of water?
9. What is the Median?8, 13, 2, 4, 48
10. Which is not a procedure or step in identifying grouped mean?
11. Which formula contains no cf (cumulative frequency)?
12. Calculate the median for this set of data.100, 55, 98, 140, 101, 98, 53, 57, 70
13. The data \{4, 4, 0, 10, 6\} represent a random sample of the number of days absent from school for five students at Monta Vista High. Find the mean and the standard deviation of the data.
14. Given the set of data below, what would be the most meaningful measure?1, 1, 1, 1, 1, 1, 1, 1, 1, 21
15. Which is the number that appears the MOST often?
16. Paulo got these markers in three tests:72, 80 and 82. He had one more test to sit. He wanted an average of 80 for the four tests. What mark must he get in the fourth test?
17. Find the median:3, 5, 7, 9, 11, 8, 3
18. Which is the closest to what most people would call the "average?"
19. The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:9, 8, 12, 6, 10What is the median number of pages she wrote per day?
20. Find the mode.7, 1, 1, 7, 1, 4, 1
21. The scores shown below were received by four science teams named A, B, C, and D in an examination. Each team reported an "average" of 90. Which of the following is true for the measure of central tendency that was used by the team?A:80, 85, 90, 95, 100B:93, 92, 90, 90, 91C:80, 86, 95, 92, 90D:85, 90, 90, 90, 90
22. What is the mode of the data set:Black Blue RedPink Black BlackGray Green BlueBlue Blue RedYellow Blue Red
23. What is the mode of the following data set _____ 4, 8, 5, 17, 5, 4, 9, 5, 6, 82
24. What is the mode of the data below?12, 14, 5, 12, 5, 12, 11
25. The heights of the starting 5 players on a basketball team are 60 inches, 67 inches, 64 inches, and 65 inches. If the mean or balance point of the players is 65, what is the height of the 5th player?
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