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Measures Of Central Tendency Quiz 4 (25 MCQs)

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1. Find the mode of:1, 2, 3, 4
2. Find the median.5, 15, 10, 20, 15, 10, 15
3. If you have two numbers in the middle, you should
4. The front row in a movie theatre has 23 seats. If you were asked to sit in the seat that occupied the median position, in which seat would you have to sit?
5. Terrance's homework grade was a 72, his project grade was an 80 and his exam grade was an 82. Homework is worth 10% of the final grade, the project was worth 50%, and the exam was worth 40%.What was Terrance's final grade?
6. Find the mean.18, 2, 0, 0, 0
7. Jade has grades of 91 and 90 in Math. What grade must she obtain on the third quarter to get an average of 91?
8. When finding the median, what do you do if there are two middle numbers?
9. Find the mode of the data set;Identify the outlier, andFind the mode excluding outliers:100, 100, 100, 20, 120, 90.
10. Which measure of central tendency is greatly affected by extreme scores?
11. What is an outlier?
12. Find the mean of the set of data5.5, 4.5, 6.75, 3.25
13. If you score 76, 85, 97, and 83 on your math tests for the unit, what would your median score be?
14. What is the type of mode found in the following data:3, 5, 20, 2, 3, 11, 18, 5, 13?
15. The range of a data set can be found by _____
16. What is the value of $ fX_m$ if f = 6 and Xm = 58?
17. The heights of some students are given.158cm 172cm 164cm164cm 167cm 159cm What is the range of the heights?
18. By how much will the mean vary if the outlier is included?79, 69, 81, 73, 38, 86, 68
19. If the mean of a data set is 10, what is the missing piece of data? 5, 4, 7, 15, 12, _____
20. The median of the numbers 34, 32, 12, 65, and 45 is _____
21. 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
22. What is the commonly used measure of central tendency?
23. What is the Mean?9, 5, 7
24. , 31, 37, 46, 29, 38What is the third quartile of the data?
25. If the range of a set of scores is 18 and the lowest score is 8, what is the highest score?
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