Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 21 (25 MCQs)

Quiz Instructions

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1. Which one would be the best to use:8, 9, 10, 14, 16, 18, 60
2. Find the maximum.2, 3, 6, 6, 8, 10, 12
3. Find the median.7, 8, 3, 4, 8
4. What is the mode of the following numbers? 12, 11, 14, 10, 8, 13, 11, 9
5. .... & ..... are called ratio averages:
6. True or False:The mean and the average are the same number.
7. The median of the numbers 34, 32, 12, 65, and 45 is .....
8. Anh is investigating the heights of a group of students:158cm 172cm 164cm164cm 167cm 159cm What is the range of the heights?
9. GM of 3 observations 40, 50 & X is 10. Value of X is
10. A set of number consists of three 4's, five 5's, six 6's, eight 8's and seven 10's. The Mode of this set of numbers is
11. Jade has grades of 91 and 90 in Math. What grade must she obtain on the third quarter to get an average of 91?
12. If the standard deviation of a data set is 4, what is the variance?
13. Roger bowled 7 games last weekend. His scores are:155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?
14. Extreme values have ..... effect on mode.
15. If the range of a set of scores is 18 and the lowest score is 8, what is the highest score?
16. Find the 1st (Q1), 2nd (Median), and 3rd (Q3) quartile of the data set:4, 2, 1, 3, 13, 7, 11, 15
17. If a data set has an even number of values, how is the median calculated?
18. Measures of central tendency which has the most number of frequency in the set of scores.
19. Which is true about the measures of variability?
20. It is calculated by adding up all the values in a data set and dividing by the total number of values.
21. Find the range and the outlier of the given data:126, 62, 144, 132, 144, 103
22. Find the mean of following data:10, 15, 12, 9, 2, 6.
23. 30, 30, 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?
24. The distance between the mean of a data set and any given raw score in that set is known as .....
25. What measure represents the value in the center?