In this blog post, you can test your knowledge about Z-test, Z-statistics and related concepts through multiple choice questions (MCQs) and answers. Getting a good understanding of Z-tests, Z-statistics and Z-distribution is of utmost importance for data scientists at large. The following are key concepts around which the MCQs are posted:
- Z-score or Z-statistics concepts
- Estimation of population mean and proportion
- 1-sample Z-test for mean and proportion
- 2-samples Z-test for mean and proportion
Z-test Interview Questions Samples
The following is a list of interview questions that you would want to learn:
- What is Z-score? Explain with an example and formula.
- What are different types of Z-tests? Explain with formula and examples.
- What is difference between 1-sample and 2-samples Z-test for means? Explain with one example each and formula.
- What is difference between 1-sample and 2-samples Z-test for proportions? Explain with one example each and formula.
- How do you estimate population mean at 95% confidence interval as a function of Z-score?
- How do you estimate population proportion at 95% confidence interval as a function of Z-score?
- What is standard error? How is it related to margin of error?
- When to use Z-test and when to use T-test?
- What is sampling distribution and how is it related to Z-test and Z-statistics?
- What is Z-distribution? How is this different from T-distribution?
- What is standard score?
- How can Z-score be used to compare marks of two students in different classes?
Z-test MCQs Quiz: Questions & Answers
The following is a list of questions and answers aimed to test your knowledge of different types of Z-tests, Z-statistics, hypothesis testing etc.
#1. Estimating population mean with 95% confidence interval given a sample size of 10 would mean the value of T-score to be _______
#2. Standard error is the ___________ of the ___________ in the sampling distribution?
#3. Z-score is used when _________ standard deviation is known?
#4. Z-statistics can be used to estimate ________ proportion?
#5. Z-test can be used to perform hypothesis testing related to sample ________?
#6. Z-test can be used for __________?
#7. _______ will be used for estimating population mean for sample size greater than 30
#8. Z-statistics can be used to estimate ________ mean?
#9. Estimating population mean with 95% confidence interval given a sample size of 10 would mean the value of T-score to be _______
#10. _______ can be used for hypothesis testing when the sample size is larger than 30
#11. Standard error is _________ divided by the square root of ________?
#12. ______ is used when population standard deviation is unknown and the sample size is small?
#13. Z-score is used when _________ standard deviation is known?
#14. 1-sample Z-test can be used to perform hypothesis testing for ________?
#15. _______ can be used for hypothesis testing when the sample size is larger than 30
#16. Z-test can be used to perform hypothesis testing related to sample ________?
#17. _______ will be used for estimating population mean for sample size lesser than 30
#18. _______ will be used for estimating population mean for sample size lesser than 30
#19. Z-score is used when _________ standard deviation is known?
#20. Margin of error can be defined as the function of ________
#21. Z-statistics can be used to estimate ________ mean?
#22. Estimating population mean with 95% confidence interval would mean the value of Z-score to be _______
#23. 2-sample Z-test can be used to perform hypothesis testing for ________?
#24. Z-test can be used for __________?
#25. 2-sample Z-test can be used to perform hypothesis testing for ________?
#26. Standard error is _________ divided by the square root of ________?
#27. Standard error is the ___________ of the ___________ in the sampling distribution?
#28. Standard error is _________ divided by the square root of ________?
#29. _______ will be used for estimating population mean for sample size greater than 30
#30. Z-statistics can be used to estimate ________ proportion?
#31. Standard error is the ___________ of the ___________ in the sampling distribution?
#32. ______ is used when population standard deviation is unknown and the sample size is small?
#33. Margin of error can be defined as the function of ________
#34. 1-sample Z-test can be used to perform hypothesis testing for ________?
#35. Estimating population mean with 95% confidence interval would mean the value of Z-score to be _______
#36. Margin of error can be defined as the function of ________
Results
Congratulations! You passed the test!
I have been recently working in the area of Data analytics including Data Science and Machine Learning / Deep Learning. I am also passionate about different technologies including programming languages such as Java/JEE, Javascript, Python, R, Julia, etc, and technologies such as Blockchain, mobile computing, cloud-native technologies, application security, cloud computing platforms, big data, etc. For latest updates and blogs, follow us on Twitter. I would love to connect with you on Linkedin.
Check out my latest book titled as First Principles Thinking: Building winning products using first principles thinking Latest posts by Ajitesh Kumar (see all) - Generative Modeling in Machine Learning: Examples - March 19, 2023
- Data Analytics Training Program (Beginners) - March 18, 2023
- Histogram Plots using Matplotlib & Pandas: Python - March 18, 2023
You may try again!
I have been recently working in the area of Data analytics including Data Science and Machine Learning / Deep Learning. I am also passionate about different technologies including programming languages such as Java/JEE, Javascript, Python, R, Julia, etc, and technologies such as Blockchain, mobile computing, cloud-native technologies, application security, cloud computing platforms, big data, etc. For latest updates and blogs, follow us on Twitter. I would love to connect with you on Linkedin.
Check out my latest book titled as First Principles Thinking: Building winning products using first principles thinking
Latest posts by Ajitesh Kumar (see all)
- Generative Modeling in Machine Learning: Examples - March 19, 2023
- Data Analytics Training Program (Beginners) - March 18, 2023
- Histogram Plots using Matplotlib & Pandas: Python - March 18, 2023
I have been recently working in the area of Data analytics including Data Science and Machine Learning / Deep Learning. I am also passionate about different technologies including programming languages such as Java/JEE, Javascript, Python, R, Julia, etc, and technologies such as Blockchain, mobile computing, cloud-native technologies, application security, cloud computing platforms, big data, etc. For latest updates and blogs, follow us on Twitter. I would love to connect with you on Linkedin.
Check out my latest book titled as First Principles Thinking: Building winning products using first principles thinking
Check out my latest book titled as First Principles Thinking: Building winning products using first principles thinking
Latest posts by Ajitesh Kumar (see all)
- Generative Modeling in Machine Learning: Examples - March 19, 2023
- Data Analytics Training Program (Beginners) - March 18, 2023
- Histogram Plots using Matplotlib & Pandas: Python - March 18, 2023
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