Muhammad Imdad Ullah

The post is about Basic Statistics Online MCQs with Answers. There are 20 multiple-choice questions covering the topics related to measures of central tendency, measures of dispersion, and Basics of Statistics. Let us start with Basic Statistics Online MCQs

Online MCQs Basic Statistics with Answers

1. The calculation of mean and variance is based on

 Small values only

 Large values only

 Extreme values only

 All values

2. The sample mean ($\overline{X}$) is a

 Constant

 Parameter

 Variable

 Statistic

3. The mean of a constant $b$ is

 Zero

 $ \frac{b}{n} $

 $ b $

 None of These

4. Arithmetic mean of two positive numbers $X$ and $Y$ is

 $ \frac{2}{a+b} $

 $ \frac{a-b}{2} $

 $\frac{ab}{2}$

 $ \frac{a+b}{2} $

 $ \frac{2a}{2} $

5. The average of the first $n$ natural numbers is

 $ \frac{n-1}{2} $

 $ \frac{n+1}{2} $

 $ \frac{n}{2} $

 None of these

6. If $C= A – B$ then $\overline{C}$ is

 $ \overline{A}+\overline{B} $

 0

 $ \overline{A}-\overline{B} $

 $ \overline{X} \times \overline{Y} $

7. Which of the following is least if $\overline{X}=14$

 $ \sum(X-14)^2 $

 $ \sum(X-12)^2 $

 $ \sum(X-15)^2 $

 $ \sum(X-10)^2 $

8. A statistic which is not measurable is called:

 Parameter

 Constant

 Variable

 Attribute

9. The __________ is highly affected by extreme values.

 Mode

 Arithmetic Mean

 Median

 Measure of Dispersions

10. If $X$ is a constant then $\sum\limits_{i=1}^2 X =$ ___________

 $ X $

 $\frac{X}{n}$

 $ 2X $

 $ nX $

11. The average of lower and upper-class limits is called

 Class limit

 Class boundary

 Class frequency

 Class mark

12. The mean of 10 numbers is 9, then the sum (total) of these numbers will be

 0.9

 9

 70

 90

13. The sum of values divided by their number is called

 Mean

 Median

 Harmonic Mean

 None of these

 Mode

14. The variance is zero only if all observations are

 Different

 Same

 Negative

 Variance cannot be zero

15. The combined arithmetic mean is calculated as

 $ \frac{\overline{X}_1 + \overline{X}_2}{n_1 + n_2} $

 $ \frac{n_1 \overline{X}_1 + n_2 \overline{X}_2 }{n_1+n_2} $

 $ \frac{n_1+n_2}{2} $

 $ \frac{n_1 X_1 + n_2 X_2 }{n_1+n_2} $

16. __________ is based on all observations of data

 Mode

 Median

 Mean

 None of these

17. Step deviation or coding method is used for computation of the

 Weighted mean

 Harmonic mean

 Geometric mean

 Arithmetic mean

18. For a certain distribution if $\sum(x-2)=18, \sum(x-24)=0, \sum(x-28)=-24$ then arithmetic mean is

 24

 21

 28

 0

19. The arithmetic mean is __________ affected by extreme values

 Highly

 Less

 Not

 None of these

20. The sum of deviations will be zero if it is taken from

 Mean

 Mode

 Standard Deviation

 Median

 Loading …

Basic Statistics Online MCQS with Answers

• The sum of values divided by their number is called
• ———– is based on all observations of data
• The calculation of mean and variance is based on
• The arithmetic mean is ——— affected by extreme values
• The ———- is highly affected by extreme values.
• Arithmetic mean of two positive numbers $X$ and $Y$ is
• The mean of 10 numbers is 9, then the sum (total) of these numbers will be
• For a certain distribution if $\sum(x-2)=18, \sum(x-24)=0, \sum(x-28)=-24$ then arithmetic mean is
• If $C= A – B$ then $\overline{C}$ is
• The sum of deviations will be zero if it is taken from
• If $X$ is a constant then $\sum\limits_{i=1}^2 X =$ ————
• The mean of a constant $b$ is
• Which of the following is least if $\overline{X}=14$
• The average of the first $n$ natural numbers is
• The combined arithmetic mean is calculated as
• The average of lower and upper-class limits is called
• Step deviation or coding method is used for computation of the
• The sample mean ($\overline{X}$) is a
• The variance is zero only if all observations are
• A statistic which is not measurable is called:

https://gmstat.com

https://rfaqs.com

The post is about Online Basic Statistics MCQs. There are 20 multiple-choice questions covering topic related to the measure of dispersion, coefficient of v variation, Moments, skewness, kurtosis, distribution of data, and measure of central tendency. Let us start with Online Basic Statistics MCQs with Answers.

Please go to Online Basic Statistics MCQs 4 to view the test

Online Basic Statistics MCQs with Answers

• If the mean is 25 and the standard deviation is 5 then C.V (Coefficient of variation) is
• ———– is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units.
• ———– is used for the criterion of consistency i.e. for consistent performance
• The first moment about means is always
• The second moment about mean is
• If the third moment about the mean is zero then the distribution is
• The Coefficient of Skewness is always zero for ———— distribution
• A lack of symmetry is called
• The Quartile Coefficient of skewness lies between
• In uni-model distribution, if the mode is less than the mean
• If the right tail is longer than the left tail then distribution is called
• The degree of peakedness is called
• For the Mesokurtic curve of the distribution, $\beta_2$ is
• If $\beta_2=\frac{m_4}{m_2^2}<3$, the distribution is called
• In Mesokurtic distribution
• If $\overline{X}=25$, which of the following will be the minimum?
• The harmonic mean for any two positive numbers $a$ and $b$ is ————-.
• To compare the variation of two or more than two series, we use ————.
• In the plural sense, statistics means
• Statistics are ————.

https://gmstat.com

https://rfaqs.com

The post is about MCQs Statistics with Answers. There are 20 multiple-choice questions covering topics related to the basics of statistics, level of measurements, variables, data, data collection methods, measures of central tendency and dispersion, numerical quantity, sample, population, etc. Let us start with the MCQs Statistics with Answers.

Please go to Best MCQs Statistics with Answers 2 to view the test

MCQs Statistics with Answers

• In inferential statistics, we study
• In descriptive statistics, we study
• When data are collected in a statistical study for only a portion or subset of all elements of interest we are using:
• In statistics, a sample means
• The height of a student is 60 inches. This is an example of
• Data in the Population Census Report is:
• Which of the following is not based on all the observations?
• The statistic is a numerical quantity, which is calculated from:
• Which one of the following measurements does not divide a set of observations into equal parts?
• Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data:
• You asked five of your classmates about their height. Based on this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of:
• In statistics, conducting a survey means
• The algebraic sum of deviations from the mean is:
• In statistics, a population consists of:
• Which one is the not measure of dispersion?
• If there is no gap between the consecutive classes, the limits are called
• If all the items in a variable are non-zero and non-negative then ————-.
• The mean is affected by the change of ————.
• The data which have NOT undergone any statistical treatments are:
• If any value in a series is zero then we cannot compute the ————-.

https://rfaqs.com

https://gmstat.com