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Class 11 Economics (Statistics For Economics) Chapter 6 Measures Of Dispersion Quiz 4 (25 MCQs)

Quiz Instructions

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1. Which of the measures of location is used in computing for the variance of a distribution?
2. Which of the following is true about the mean deviation?
3. Standard deviation of first 50 natural number is .....
4. Given the data:136, 150, 119, 150, 125, 140.Find the upper quartile (Q3). (Hint ..... put the numbers in order and find the median to help you find Q3)
5. What percent of the data values fall within one standard deviation of the mean?16, 28, 6, 19, 21, 15, 22, 33, 17, 12
6. When labeling the axis for a normal distribution curve, the notation $\sigma$ $\sigma$
7. Find the standard deviation for the following data; 86, 95, 78, 67, and 85.
8. How does standard deviation help in understanding the spread of data?
9. What does the interquartile range (IQR) represent? The spread of the entire dataset. The spread of the middle 50% of the data. The difference between the highest and lowest values. The average deviation of data points from the mean.
10. Given the range is 5, if each data is multiplied with 3, what is the value of new range?
11. In Calculating Standard Deviation, which of the Measure of central tendency is used
12. What does the standard deviation indicate?
13. Explain the concept of quartile deviation and its calculation.
14. Min bagi suatu set nombor (p-4), p, (p + 2), 2p, (2p + 3) ialah 10. Hitung nilai p.Mean of a set number (p-4), p, (p + 2), 2p, (2p + 3) is 10. Find the value of p.
15. To find the interquartile range (IQR) .....
16. The mean and the Mean deviation about the mean for following valuesi 3ii 11iii 4iv 7v 5is .....
17. What does Hakuna Matata mean?
18. The positive square root is taken of the population variance then collected measure is transformed into .....
19. Find the mean of the following data.13, 35, 33, 47, 38, 37, 42, 16, 14
20. Given a variance of 64, what is the standard deviation?
21. The average scores in the test of section A is 36. Section B also gained the same average scores in the same test. However, section A has a standard deviation of 4 while section B has a standard deviation of 1.8. In which section are the scores less dispersed?
22. Sum of 15 numbers is 1200 while sum of square of the numbers is 381000.Calculate the mean of the numbers.
23. The definition of Skewness is
24. Range can be calculated for Open-ended class intervals
25. Which measure of variation is calculated using measures of position values?
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