Measures Of Central Tendency Quiz 4 (29 MCQs)

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1. Find the mode of the data set;Identify the outlier, andFind the mode excluding outliers:100, 100, 100, 20, 120, 90.
2. Which measure of central tendency is greatly affected by extreme scores?
3. What is an outlier?
4. Find the mean of the set of data5.5, 4.5, 6.75, 3.25
5. If you score 76, 85, 97, and 83 on your math tests for the unit, what would your median score be?
6. What is the type of mode found in the following data:3, 5, 20, 2, 3, 11, 18, 5, 13?
7. The range of a data set can be found by .....
8. What is the value of $ fX_m$ if f = 6 and Xm = 58?
9. The heights of some students are given.158cm 172cm 164cm164cm 167cm 159cm What is the range of the heights?
10. By how much will the mean vary if the outlier is included?79, 69, 81, 73, 38, 86, 68
11. If the mean of a data set is 10, what is the missing piece of data? 5, 4, 7, 15, 12, .....
12. In the first round of the playoffs, Ben Simmons points (in each game) was listed below. How many points per game is he averaging in the playoffs?17, 24, 19, 17, 14
13. The median of the numbers 34, 32, 12, 65, and 45 is .....
14. Calculate the GPA if you take a total of 6 classes, each grade counts as 1 credit, and you make 4 A's and 2 B's
15. What is the commonly used measure of central tendency?
16. What is the Mean?9, 5, 7
17. , 31, 37, 46, 29, 38What is the third quartile of the data?
18. If the range of a set of scores is 18 and the lowest score is 8, what is the highest score?
19. The scores awarded to 25 students for an assignment were as follows:4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9What is the mode?
20. Another word for mean is
21. What is the median?
22. Harley surveyed his classmates about how many siblings they have and got the following data:0, 1, 3, 5, 4, 2, 2, 9, 1, 2, 0, 1, 1, 1, 1, 3 Which measure is best measure of center of the data?
23. If you take 5 quizzes and get scores of 95%, 95%, 80%, 85%, and 75%, how would you find your mean quiz score?
24. A set of data is given:3, 7, 11, 11, 16Jesse calculated a measure of center and got 9.6, which measure of center did he just calculate?
25. , 35, 44, 50If I add 10 to each piece of data to make a new data set, (20, 30, 40, 40, 45, 54, 60)which stat calculation will NOT change?
26. Find the mean of the following cell phone usage per month:445, 516, 618, 575, 288
27. Which measure of central tendency is most appropriate for a data that describes the heights of grade 5 students?
28. In which of the following situations would the mean be an appropriate measure of central tendency? I. when the data set contains no outliers II. when using categorical data III. when an exact average is needed IV. when the middle value is needed
29. I have been walking to keep fit. These are the number of miles I have been walking everyday:5, 4, 3, 5, 4.5, 5.5 and 2.5. What is my mean walking distance?