Statistics for Data Analyst

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.

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 ————.

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The post is about MCQs Introductory Statistics. There are 25 multiple-choice questions covering topics related to the measure of dispersions, measure of central tendency, and mean deviation. Let us start with the MCQs introductory statistics quiz with answers.

Please go to Top MCQs Introductory Statistics 3 to view the test

MCQs Introductory Statistics with Answers

• A measure of dispersion is always
• Which of these is a relative measure of dispersion
• The measure of spread/dispersion is changed by a change of
• Mean Deviation, Variance, and Standard Deviation of the values 4, 4, 4, 4, 4, 4 is
• The mean deviation of the values, 18, 12, and 15 is
• The sum of squares of deviation is least if measured from
• The sum of squared deviations of a set of $n$ values from their mean is
• Variance is always calculated from
• The lowest value of variance can be
• The variance of a constant is
• Variance remains unchanged by the change of
• $Var(2X+3)\,$ is
• If $a$ and $b$ are two constants, then $Var(a + bX)\,$ is
• Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observations will be
• Standard deviation is calculated from the Harmonic Mean (HM)
• The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is
• If $X$ and $Y$ are independent then $SD(X-Y)$ is
• If $Y=-8X-5$ and SD of $X$ is 3, then SD of $Y$ is
• The standard deviation is always ———– than the mean deviation
• If the standard deviation of the values 2, 4, 6, and 8 is 2.58, then the standard deviation of the values 4, 6, 8, and 10 is
• For the symmetrical distribution, approximately 68% of the cases are included between
• The percentage of values lies between $\overline{X}\pm 2 SD\,$ is
• The measure of Dispersion can never be
• If all values are the same then the measure of dispersion will be
• The range of the values -5, -8, -10, 0, 6, 10 is

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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 ————-.

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