MCQs Introduction to Statistics 21

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The post is about MCQs introduction to Statistics. There are 20 multiple-choice questions in this quiz related to data, variables, measures of central tendencies, measures of dispersions, level of measurements, and measures of positions. Let us start with the MCQs Introduction to Statistics Quiz.

Online Multiple-Choice Questions Quiz about Introduction to Statistics with Answers

1. A sample mean is a center of mass of what?

 
 
 
 

2. How many goals have the top strikers in a football competition scored? For the following 10 strikers, the information obtained is: 12, 10, 11, 12, 11, 14, 15, 18, 21, 11. The (1) ———— of the dataset equals 12, the mean equals (2) ———–, and the (3) ————– equals 11. The standard deviation equals (4) ———— Fill in the right words/numbers.

 
 
 
 

3. If a Curve has a longer tail to the right, it is called

 
 
 
 

4. A researcher wants to know what people think of football. He asks ten people to rate their attitude towards football on a scale from 0 (do not like football at all) to 10 (like football a lot). The ratings from ten people are as follows: 1, 10, 6, 9, 2, 5, 6, 6, 5, 10. What is the standard deviation?

 
 
 
 

5. The grades for a statistics exam are as follows: 3, 5, 5, 6, 7.5, 6, 5, 1, 10, 4. Which score is an outlier? Use the interquartile range (IQR).

 
 
 
 

6. A population mean is a center of mass of what?

 
 
 
 

7. The height of a student is 60 inches. This is an example of ——————?

 
 
 
 

8. The more data that goes into the sample mean, the more concentrated its density/mass function is around the population mean.

 
 

9. Which of the following statements is true?
I. The larger the variance, the smaller the standard deviation.
II. The stronger the skew, the smaller the difference between the median and the mean.

 
 
 
 

10. When you detect a value in your data set that is vastly different from other observations in the same data set, what would you report that as?

 
 
 
 

11. A population mean estimates a sample mean.

 
 

12. A sample mean is unbiased.

 
 

13. A researcher wants to measure physical height in as much detail as possible. Which level of measurement does s/he employ?

 
 
 
 

14. What is the difference between variables and constants?

 
 
 
 

15. What type of data refers to information obtained directly from the source?

 
 
 
 

16. Suppose a researcher conducted a study on eye color and 550 people are questioned about it. 110 of them have brown eyes and 44% of them have blue eyes. What percentage of the people you questioned have blue or brown eyes?

 
 
 
 

17. What is true about a variance of zero?

 
 
 
 

18. The extent to which values are dispersed around central observation is considered as

 
 
 
 

19. Ten students completed an exam. Their scores were: 5, 7, 2, 1, 3, 4, 8, 8, 6, 6. What is the interquartile range (IQR)?

 
 
 
 

20. Data obtained from an organization’s internal CRM, HR, and workflow applications is classified as:

 
 
 
 

Online MCQs Introduction to Statistics

  • A researcher wants to measure physical height in as much detail as possible. Which level of measurement does s/he employ?
  • Suppose a researcher conducted a study on eye color and 550 people are questioned about it. 110 of them have brown eyes and 44% of them have blue eyes. What percentage of the people you questioned have blue or brown eyes?
  • Ten students completed an exam. Their scores were: 5, 7, 2, 1, 3, 4, 8, 8, 6, 6. What is the interquartile range (IQR)?
  • A researcher wants to know what people think of football. He asks ten people to rate their attitude towards football on a scale from 0 (do not like football at all) to 10 (like football a lot). The ratings from ten people are as follows: 1, 10, 6, 9, 2, 5, 6, 6, 5, 10. What is the standard deviation?
  • Which of the following statements is true? I. The larger the variance, the smaller the standard deviation. II. The stronger the skew, the smaller the difference between the median and the mean.
  • The grades for a statistics exam are as follows: 3, 5, 5, 6, 7.5, 6, 5, 1, 10, 4. Which score is an outlier? Use the interquartile range (IQR).
  • How many goals have the top strikers in a football competition scored? For the following 10 strikers, the information obtained is: 12, 10, 11, 12, 11, 14, 15, 18, 21, 11. The (1) ———— of the dataset equals 12, the mean equals (2) ———–, and the (3) ————– equals 11. The standard deviation equals (4) ———— Fill in the right words/numbers.
  • What is true about a variance of zero?
  • What is the difference between variables and constants?
  • A population mean is a center of mass of what?
  • A sample mean is a center of mass of what?
  • A population mean estimates a sample mean.
  • A sample mean is unbiased.
  • The more data that goes into the sample mean, the more concentrated its density/mass function is around the population mean.
  • What type of data refers to information obtained directly from the source?
  • Data obtained from an organization’s internal CRM, HR, and workflow applications is classified as:
  • When you detect a value in your data set that is vastly different from other observations in the same data set, what would you report that as?
  • The height of a student is 60 inches. This is an example of ——————?
  • If a Curve has a longer tail to the right, it is called
  • The extent to which values are dispersed around central observation is considered as
MCQs Introduction to Statistics with Answers

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