What is needed to prepare the voters’ lists in Pakistan?
Correct answer D. Census
Subject / 721 questions
Statistics MCQs
Page 23 of Statistics multiple-choice questions with answers. Tap an option to check yourself.
Page 23 of 37
If the sample size is 25, what condition is needed for the sampling distribution of x̄ to be normal?
Correct answer D. Population distribution is normal
How are non-sampling errors reduced?
Correct answer B. Reducing the amount of data
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How can sampling error be reduced?
Correct answer A. Increasing the sample size
What is the process of selecting a sample from a population called?
Correct answer D. Sampling
The factor (N − n)/(N − 1) is known as the ____ population correction. Which word fills the blank?
Correct answer D. Finite
What is the probability distribution of a statistic called?
Correct answer C. Sampling distribution
When students pick which questions to attempt in an exam paper, what kind of selection is this?
Correct answer B. Non-random sampling
A sampling distribution is the probability distribution of which of the following?
Correct answer A. A sample statistic
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Non-random sampling is also known as?
Correct answer D. Non-probability sampling
When buying fruit, which type of sampling do we normally use?
Correct answer B. Judgement
A complete list of sampling ____ is called a sampling frame. Which word fills the blank?
Correct answer B. Units
In sampling with replacement, how many times can a sampling unit be selected?
Correct answer C. More than once
How can sampling errors be reduced?
Correct answer B. Increasing the sample size
From a population of 4 members, samples of size 2 are drawn with replacement. How many different samples are possible?
Correct answer A. 16
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What is the process of dividing a heterogeneous population into fairly homogeneous subgroups called?
Correct answer C. Stratification
Convenience sampling is an example of which type of sampling?
Correct answer A. Non-probability sampling
Whatever the distribution of the population, the sampling distribution of the sample mean is?
Correct answer C. Always normal for large sample sizes
What is the standard deviation of the sampling distribution of a statistic called?
Correct answer A. Standard error of the statistic
A sample of 92 observations is drawn from an infinite population. The sampling distribution of the sample mean x̄ is approximately?
Correct answer A. Normal because of the central limit theorem