ICS Part 2 Statistics Chapter 11 Online Test With Answers

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ICS Part 2 Statistics Chapter 11 Online Test

Sr. # Questions Answers Choice
1 Is sampling without replacement, an element can be chosen: Less than once More than once Only once Difficult to tell
2 If the population is finite, the standard error of mean is given by: σ/√n σ/√n √N - n/ N-1 σ/√n √N -1/N-n σ/√ √1 - n /N
3 A numerical characteristic calculated from sample is called: Sample unit Sample design Statistic Parameter
4 Probability distribution of a statistic is called: Sampling Parameter Data Sampling distribution
5 In N is the size of population and N is the size of sample then possible samples that can be drawn with replacement are. N/n N<sup>n</sup> Nen None of these
6 The S.D of the sampling distribution of a statistics is called _______. Standard error Serious error Dispersion Difference
7 The bias increases by increasing the sample_______. Unit Number Size None of these
8 A sample is usually selected by_______. With Without Finite Infinite
9 Random sampling provide reliable ______. Samples Units Estimates Frame
10 A population is called _______ if it includes an unlimited number of sampling units. Finite Infinite Statistic None of these
11 Another name of probability sampling is________ sampling. Random Non-random Error Bias
12 Study of the population is called_______. Parameter Error Statistic Census
13 The difference between a statistic and the parameter is called_______. Random Non-random Sampling error Probability
14 The descriptive measures of a population are called_______. Census Parameter Statistics Bias
15 List of all the units of the population is called______. Random sampling Bias Sampling frame Probability sampling
16 Sample is a sub-set of ________. Population Data Set Distribution
17 If sampling is done with replacement the σp =
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