PPSC Economics Chapter 12 Statistics In Economics With Answers

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PPSC Economics Chapter 12 Statistics In Economics

Sr. # Questions Answers Choice
1 For a positively skewed distribution. mean > mode ? median mean > median > mode mode > mean > median mean < mode < median
2 Skewness refers to. Symmetry Asymmetry Flatness Varience
3 Which device is good to measure variation in open end distribution. Quartile deviation Range Mean deviation Variance
4 Sum of squares of the deviations about mean is. Maximum Minimum zero one
5 If the same amount is added to or subtracted from all the values, standard deviation shall be. Changed Unchanged Both None
6 Coefficient of standard deviation is. SD/Median SD/Mean SD /Mode AM/SD
7 The recording of the data is dome on the basis of the scheme. coding Tabulation Classification Analysis
8 It is a process of checking to detect and correct errors and omissions. Coding Editing Analysis Classifications
9 Which of the following statements is true about platykurtic curve as compared to normal curve. Flatter Broader central position Lower tails All of the above
10 A single value that represent the average characteristics of its frequency distribution. Quartiles Grouped data Central tendency range
11 The values are represented by identical symbol or pictures. Bar charts Pictograms Circle charts graphs
12 Which of the following are functions of inferential statistics. Estimation Testing of hypothesis Both a and b None of these
13 What the process of summarizing raw data and displaying them on compact statistical table for further analysis. Statistical analysis Data processing Tabulation Table construction
14 The most frequently occurring score in a distribution Mean mode Median Quartile
15 Which of the following statements is true about hypothesis. It is an assumption about population value There are different types of hypothesis Hypothesis testing is a function of inferential statistics All of the above
16 Which of the following is true about skewed distribution. It is symmetrical Mean, median and mode concede Similar to normal distribution. The more mean moves away from mode larger skewness
17 Measure of skewness gives. Direction of skewness Extent of skewness Both a and b None of these
18 The term skewness refers to. Bulginess Lack of symmetry symmetrical Normal
19 Academic community is otherwise called. General public Target audience Participant audience Scientific community
20 The extent of variability is measured by Central tendency Measures of dispersion Arithmetic mean Co relation
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