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Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 8 (25 MCQs)

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1. The mean of four numbers is 71.5. If three of the numbers are 58, 76, and 88, what is the value of the fourth number?
2. What measure represent the average
3. What is the first step when looking at a data set?
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. Given the set of scores:43, 38, 43, 38, 38, 45, 36, 38, 43, 40, 35, 40COMPUTE FOR THE VALUE OF MEAN.
6. DATA SET:76, 85, 97, and 83 find the median
7. The median is the ..... number (after you put them in order).
8. An ice cream parlor has six different flavors. They have 4 toppings and 2 types of cones. How many possible ice cream combinations are there?
9. What is the FIRST thing you should do when finding the median?
10. The heights of some students are given.158cm 172cm 164cm164cm 167cm 159cmWhat is the RANGE of the heights?
11. Which is the closest to what most people would called the "average" ?
12. If Mode = 10, Median = 12, then Mean =? (Using the relation:Mode = 3Median-2Mean)
13. Find the mean of:5.4, 5.2, 1.5, -3.9, -0.9, -4.3, 2.9, -1.4, 4.9, 3.9, -2.9, 4
14. Mr. E has 17 students in his first block, 0 students in his second block, 19 students in his third block, and 18 students in his fourth block. What is the mode for the number of students?
15. Which measure of central tendency makes the most sense in this situation? A marketer wants to calculate the ..... type of ad used (TV, radio, digital) so they can know which type of ads their company uses.
16. Find the median of these numbers:99, 32, 61, 82, 58, 41, 73, 24, 18
17. If the mean of the observation:x, x + 4, x + 6, x + 8, x + 12 is 10, then the value of x is .....
18. In a grouped frequency distribution, the class having maximum frequency is called:
19. The following data consists of scores on a math test. Find the mode:88, 85, 72, 68, 84, 93, 84, 78, 93, 81
20. Find the median, mode and range:3, 5, 7, 9, 11, 8, 3
21. How many books do each student in your class have?
22. It is the number that has the highest frequency.
23. Harley surveyed his classmates about how many siblings they have and got the following data:$0, 1, 3, 5, 4, 2, 2, 9, 1, 2, 0, 1, 1, 1, 1, 3$
24. The data set below has an outlier of 42.2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42What effect does removing the outlier have on the distribution of the data?
25. First Quartile is
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