ICS Part 2 Statistics Online Test With Answers

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ICS Part 2 Statistics Online Test

Sr. # Questions Answers Choice
1 A sample is usually selected by_______. With Without Finite Infinite
2 Random sampling provide reliable ______. Samples Units Estimates Frame
3 A population is called _______ if it includes an unlimited number of sampling units. Finite Infinite Statistic None of these
4 Another name of probability sampling is________ sampling. Random Non-random Error Bias
5 Study of the population is called_______. Parameter Error Statistic Census
6 The difference between a statistic and the parameter is called_______. Random Non-random Sampling error Probability
7 The descriptive measures of a population are called_______. Census Parameter Statistics Bias
8 List of all the units of the population is called______. Random sampling Bias Sampling frame Probability sampling
9 Sample is a sub-set of ________. Population Data Set Distribution
10 In a normal distribution β1 = 0 and β2 = __________. 2 4 3 5
11 The normal distribution is represented as_______ N (μ,σ<sup>2</sup>) N (n,p) N (0,σ<sup>2</sup>) None of these
12 All odd ordered moments about mean are ______ in a normal distribution. Zero Unity Positive Negative
13 In a normal distribution,_____= μ + 0.64745 σ Q<sub>1</sub> Q<sub>3</sub> μ σ
14 For normal distribution mean always lies between. Median and mode Median and Q<sub>1</sub> Median and Q<sub>3</sub> None of these
15 μ - 2σ to=μ + 2σ contains approximately_______ area. 75% 50% 95.45% 99.73%
16 The maximum ordinance of the standard normal Curve is at Z = ______. 1.96 2.33 1 0
17 If X - N (50,25), then=σ = ________. 3 5 25 50
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