Statistics for Data Analyst

The post is about the MCQs Descriptive Statistics Quiz. There are 21 multiple-choice questions covering the topics related to frequency distribution, measurement scale, measure of central tendency, measure of dispersion, data, and variables. Let us start with MCQs Descriptive Statistics Quiz with Answers.

MCQs Descriptive Statistics Quiz with Answers

• Which of the measures given here are based on every item of the series (uses all observations)?
• In a week the prices of a bag of rice were 350, 280, 340, 290, 320, 310, 300. The range is
• In a frequency distribution, the last cumulative frequency is 500. $Q_3$ (Third Quartile) must lie in
• In a distribution of 10, 20, 30, 40, 50, the $\overline{x}$ is 30, and the sum of deviations from $\overline{x}$ will be
• The average monthly production of a factory for the first 8 months is 2,500 units, and for the next 4 months, the production is 1,200 units. The average monthly production of the year will be
• A contractor employs 20 males, 15 females, and 5 children in his factory. Male wages are Rs. 10 per day, female Rs. 8 per day, and children Rs. 3 per day. The weighted $\overline{x}$ of wages paid per day will be
• Find the median of the following data: 160, 180, 200, 280, 300, 320, 400
• If $\overline{x}$ is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the $\overline{x}$ will be:
• In a frequency distribution, the last cumulative frequency is 300, and the Median shall lie in the:
• Given the $N$ values in a series, the geometric mean is
• Statistics which is not measurable are called
• The process of arranging data into rows and columns is called
• When all the values in a series occur the same number of times, then one must not compute the
• If $\overline{X}=100$ and $Y=2X-200$ then the mean of $Y$ values will be
• “The sum of squares of deviations of the values is least” when deviations are taken from
• The data which have already been collected by someone is called ———– data.
• The number 143.9500 rounded off to the nearest tenth (one decimal place) is
• The weight of the earth is ———–.
• A relative frequency distribution presents frequencies in terms of ———–.
• The mean of 10 observations is 10. All observations are increased by 10%. The mean of the increased observations shall be
• If the price of a commodity remains at RS. 20 per KG for the whole month then the measure of dispersion will be

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This post is about the Basic Statistics MCQs Quiz with answers. There are 20 multiple-choice questions covering topics related to measures of central tendency, measures of dispersion, quantiles, levels of measurement, data, and variables. Let us start with the Basic Statistics MCQs Quiz with Answers.

Please go to Basic Statistics MCQs Quiz 6 to view the test

Basic Statistics MCQs Quiz with Answers

• The Geometric Mean of -2, 4, 03, 6, 0 will be
• Geometric means of $X_1$ and $X_2$ is
• If 10% is added to each value of a variable, the geometric mean of the new variable is added by
• To find the average speed of a journey which is the appropriate measure of central tendency
• The Harmonic Mean of any two numbers is
• Which of the following Measures of Averages is not based on all the values given in the data set?
• Which of the following cannot be less than zero (negative)?
• Which of the following Measures of averages is affected by extreme (very small or very large) values in the data set?
• If any of the values in the data set are zero then it is not possible (i.e. impossible) to compute
• If any of the values in data set are negative then it is impossible to compute
• Data must be arranged either in ascending or descending order if some want to compute
• 2nd Quartile = 5th Decile = 50th Percentile = ?
• The most repeated (popular) value in a data set is called
• If a distribution has two modes then this distribution is called
• ———- is the measure of average which can have more than one value
• The geometric mean of numbers 2, 4, 8 and 64 is
• If $SD(X)=5$ then $SD\left(\frac{2X+5}{2} \right)$ is equal to
• A variable that assumes only some selected values in a range is called
• The color of the flowers is an example of
• The grouped data are called

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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

Please go to Basic Statistics Online MCQs 5 to view the test

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:

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