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Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 10 (25 MCQs)

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1. What is the mode of the following data set ..... 4, 8, 5, 17, 5, 4, 9, 5, 6, 8
2. DATA SET:5, 11, 2, 12, 4, 2find the mean
3. The first quartile (Q1) of a dataset is 12 and the third quartile (Q3) is 24. What is the interquartile range (IQR) of the dataset?
4. Roger bowled 7 games last weekend. His scores are:155, 165, 138, 172, 127, 193, 142. What is Roger's median score?
5. Find the mean of the data. 9, 16, 13, 14, 10, 16, 17, 9
6. Mean of first 5 natural numbers is:
7. During a week of tracking her jogging distance, Alice recorded her daily distances in miles as follows:3, 5, 7, 9, 11. What is the median distance she jogged in a day?
8. The 75th percentile of a dataset is 35 and the 25th percentile is 15. What is the semi-interquartile range (SIQR)?
9. In a survey of 10 households, the number of children was found to be 4, 1, 5, 4, 3, 7, 2, 3, 4, 1State the mode
10. Which of the following best describes the process of finding the interquartile range for a set of data?
11. What do you do if there are two numbers in "the middle" when you are finding the median?
12. What is the type of mode found in the following data:3, 5, 20, 2, 3, 11, 18, 5, 13?
13. Calculate the mode (repeats) of the data75, 29, 62, 82, 78, 30, 37, 15, 94, 99, 69, 62
14. What do quartiles split data up into?
15. A set of raw data has a mean of 5.01 and a median of 2.35. What is the shape of this distribution?
16. The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:9, 8, 12, 6, and 10If she reads 15 pages on Saturday, how will that effect the mean?
17. Trey timed himself running the 100 m dash and got the following times in seconds:9.81, 9.93, 9.91, 10.06, 9.96, 10.04, 9.94.What time does he need to get an average speed of 9.89 seconds
18. The range of a dataset is calculated as:
19. 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?
20. Find the mode.7, 8, 3, 4, 8
21. Find the median of the following set of numbers:5, 10, 15, 20, 25, 30
22. Find the mean of:6, 16, 12, 19, 17, 23, 35, 28
23. Mean, Median, and Mode are called:
24. What effect will the outlier have on the median of the data if the outlier is excluded? 2, 4, 1, 2, 8, 4, 22
25. Which descriptive measure is best for skewed ratio data?
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