Basic Statistics MCQs Test 25

Test your knowledge of fundamental statistics concepts with this 20-question multiple-choice quiz! This Basic Statistics MCQs Test is perfect for students, statisticians, data analysts, and data scientists. This Basic Statistics MCQs Test Quiz covers key topics like:

Online Basic Statistics MCQs Test with Answers
  • Measures of central tendency (mean, median, mode)
  • Measures of dispersion (range, variance, standard deviation)
  • Frequency distributions (class width, relative & cumulative frequency)
  • Data summarization (five-number summary, quartiles)
  • Statistical inference (sample vs. population, descriptive vs. inferential stats)

Sharpen your skills for exams, job interviews, and competitive tests with these practical Basic Statistics MCQs Test. Whether you’re preparing for university tests, certifications, or data-related job roles, Basic Statistics MCQs Test Quiz helps reinforce core statistical concepts. Let us start with the Online Basic Statistics MCQs Test now.

Online Basic Statistics Quiz with Answers

1. A statistics professor asked students in a class their ages. On the basis of this information, the professor states that the average age of all the students in the university is 21 years. This is an example of

 
 
 
 

2. The following data shows the number of hours worked by 200 statistics students:
frequency distribution mcqs


The number of students working 19 hours or less

 
 
 
 

3. A researcher has collected the following sample data

5  12  6  8  5  6  7  5  12  4

The mean is

 
 
 
 

4. A numerical value used as a summary measure for a sample, such as sample mean, is known as a

 
 
 
 

5. In a sample of 800 students in a university, 160 or 20% are Business majors. Based on this information, the school’s University reported that “20% of all the students at the university are Business majors”. This report is an example of

 
 
 
 

6. $\mu$ is an example of

 
 
 
 

7. The value that has half of the observations above it and half the observations below it is called the

 
 
 
 

8. The sum of deviations of the individual data elements from their mean is

 
 
 
 

9. The difference between the largest and the smallest data values is the

 
 
 
 

10. The following data shows the number of hours worked by 200 statistics students:
frequency distribution mcqs


The cumulative relative frequency for the class of 10 — 19

 
 
 
 

11. In a five-number summary, which of the following is not used for data summarization?

 
 
 
 

12. If a dataset has an even number of observations, the median

 
 
 
 

13. The following data shows the number of hours worked by 200 statistics students:
frequency distribution mcqs


The class width for this distribution is

 
 
 
 

14. The standard deviation of a sample of 100 observations is 64. The variance of the sample equals

 
 
 
 

15. The sum of the percentage frequencies for all classes will always equal ————?

 
 
 
 

16. A researcher has collected the following sample data

5  12  6  8  5  6  7  5  12  4

The mode is

 
 
 
 

17. A researcher has collected the following sample data

5  12  6  8  5  6  7  5  12  4

The median is

 
 
 
 

18. If the variance of a dataset is correctly computed with the formula using $n-1$ in the denominator, which of the following is true?

 
 
 
 

19. A tabular summary of a set of data showing the fraction of the total number of items in several classes is a

 
 
 
 

20. The following data shows the number of hours worked by 200 statistics students:
frequency distribution mcqs


The relative frequency of students working 9 hours or less

 
 
 
 

Question 1 of 20

Online Basic Statistics MCQs Test with Answers

  • A numerical value used as a summary measure for a sample, such as sample mean, is known as a
  • $\mu$ is an example of
  • The sum of the percentage frequencies for all classes will always equal ————?
  • In a five-number summary, which of the following is not used for data summarization?
  • The following data shows the number of hours worked by 200 statistics students: The class width for this distribution is
  • The following data shows the number of hours worked by 200 statistics students: The number of students working 19 hours or less
  • The following data shows the number of hours worked by 200 statistics students: The relative frequency of students working 9 hours or less
  • The following data shows the number of hours worked by 200 statistics students: The cumulative relative frequency for the class of 10 — 19
  • The difference between the largest and the smallest data values is the
  • If a dataset has an even number of observations, the median
  • The sum of deviations of the individual data elements from their mean is
  • The value that has half of the observations above it and half the observations below it is called the
  • In a sample of 800 students in a university, 160 or 20% are Business majors. Based on this information, the school’s University reported that “20% of all the students at the university are Business majors”. This report is an example of
  • A statistics professor asked students in a class their ages. On the basis of this information, the professor states that the average age of all the students in the university is 21 years. This is an example of
  • A tabular summary of a set of data showing the fraction of the total number of items in several classes is a
  • The standard deviation of a sample of 100 observations is 64. The variance of the sample equals
  • A researcher has collected the following sample data 5  12  6  8  5  6  7  5  12  4. The median is
  • A researcher has collected the following sample data 5  12  6  8  5  6  7  5  12  4. The mode is
  • A researcher has collected the following sample data 5  12  6  8  5  6  7  5  12  4. The mean is
  • If the variance of a dataset is correctly computed with the formula using $n-1$ in the denominator, which of the following is true?

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Block Design Quiz 16

Master Block Designs in Design of Experiments (DOE) with this comprehensive Block Design Quiz featuring 20 multiple-choice questions (MCQs) covering Randomized Complete Block Design (RCBD), Balanced Incomplete Block Design (BIBD), PBIBD, Latin Square, and Youden Square designs. Perfect for students, statisticians, data analysts, and data scientists preparing for exams, competitive tests, or job interviews. Test your knowledge of key concepts, including interblock analysis, treatment effects, blocking efficiency, and experimental design assumptions. Includes detailed answers for self-assessment. Boost your DOE expertise today! Let us start with the Online Block Design Quiz now.

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Online Block Design Quiz with Answers

Online Block Design Quiz with Answers

  • We can conduct an interblock analysis for a
  • If block effects are uncorrelated random variables with zero mean and fixed variance, then the least square estimates of the mean are
  • A PBIBD allows us to run an incomplete design with ——————- number of blocks that may be required in a BIBD
  • We may say that all differences in estimated treatment effects do not have the same variance in
  • A design that does not require that each pair of treatments occur together an equal number of times is called
  • Every block in a PBIBD contains ——————- number of units
  • No treatment in a PBIBD appears more than —————– in a block
  • The number of treatments that appear $\lambda_2$ times with the first treatment and $\lambda_3$ times with the second treatment is:
  • When we need to block on two sources of variation other than treatment, but can not set up complete blocks, we may use
  • A symmetric BIBD may form a
  • We can use a Youden Square design when we need to block on two sources of variation, but can not set up complete blocks as we did in the case of
  • What is the primary purpose of blocking in experimental design?
  • In a Randomized Complete Block Design (RCBD), which of the following is true?
  • Which design is used when it is not possible to test all treatments in every block?
  • In a BIBD, what does “balanced” refer to?
  • Which of the following is a key assumption of RCBD?
  • When should a Latin Square Design be used instead of RCBD?
  • What is the main disadvantage of using a BIBD compared to RCBD?
  • If an experiment has 5 treatments and 4 blocks, what is the minimum number of experimental units required for an RCBD?
  • Which of the following is NOT a characteristic of a good blocking variable?

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Data Analytics Job Listing Interview MCQs 7

This Data Analytics Job Listing Interview MCQs quiz helps students, researchers, and aspiring data analysts navigate job listings, interview preparation, and role expectations. Covering key topics like red flags in Data Analytics job postings, interview techniques (STAR method, mock interviews), common requirements (programming languages, certifications), and domain-specific knowledge (e-commerce, healthcare, finance), this quiz is a practical guide to landing a data analytics job. Ideal for entry-level candidates and professionals advancing to senior roles! Let us start with the “Data Analytics Job Listing Interview MCQs now.

Online Data Analytics Job Listing Interview MCQs with Answers
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Online Data Analytics Job Listing Interview MCQs with Answers

  • What is a “red flag” that might indicate thinking twice about responding to a job listing?
  • Which two statements are true about qualifications in job listings?
  • What is true about rehearsing for interviews?
  • What is a mock interview?
  • What is a good way to prepare for first interviews?
  • What are three common types of second-round interviews?
  • Coding challenges vary in scope and complexity depending on —————–.
  • Why might a company ask you to sign a non-disclosure agreement (NDA) before working on a coding challenge?
  • Which of the following is an appropriate question to ask at a final interview?
  • In the STAR method for answering interview questions, STAR stands for:
  • What is the primary responsibility of a Data Analyst?
  • Which task is typically NOT part of a Data Analyst’s job?
  • What programming language is most frequently listed in Data Analyst job postings?
  • What is the most common educational requirement for a Data Analyst role?
  • Which certification is often listed as a plus for Data Analysts?
  • How many years of experience do most entry-level Data Analyst jobs require?
  • Which domain knowledge is useful for a Data Analyst in the e-commerce industry?
  • What type of data would a Healthcare Data Analyst most likely work with?
  • Which skill is particularly valuable for a Financial Data Analyst?
  • What is a common job title for a senior-level Data Analyst?

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