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**Machine Learning Quizzes**

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- Question 1 of 15
##### 1. Question

**What does a Z score indicate about a data point in a standard normal distribution?**CorrectIncorrect - Question 2 of 15
##### 2. Question

**What does skewness measure in a distribution?**CorrectIncorrect - Question 3 of 15
##### 3. Question

**Why is it desirable for observations in a statistical analysis to be independent and identically distributed (iid)?**CorrectIncorrect - Question 4 of 15
##### 4. Question

**Two events A and B are said to be independent if:**CorrectIncorrect - Question 5 of 15
##### 5. Question

**What does it mean for two events to be mutually exclusive?**CorrectIncorrect - Question 6 of 15
##### 6. Question

**How is conditional probability defined?**CorrectIncorrect - Question 7 of 15
##### 7. Question

**In statistics, what is the relationship between independence and correlation?**CorrectIncorrect - Question 8 of 15
##### 8. Question

**Independence implies zero correlation, but zero correlation does not imply independence.**CorrectIncorrect - Question 9 of 15
##### 9. Question

**According to the Empirical Rule, approximately what percentage of data falls within one standard deviation of the mean in a normal distribution?**CorrectIncorrect - Question 10 of 15
##### 10. Question

**In hypothesis testing, what does the p-value represent?**CorrectIncorrect - Question 11 of 15
##### 11. Question

**Which statistical test is used to determine if there is a significant association between two categorical variables?**CorrectIncorrect - Question 12 of 15
##### 12. Question

**What is the primary purpose of a confidence interval in statistics?**CorrectIncorrect - Question 13 of 15
##### 13. Question

**What is the main concept behind the Law of Large Numbers in statistics?**CorrectIncorrect - Question 14 of 15
##### 14. Question

**What does the term “outlier” refer to in statistics?**CorrectIncorrect - Question 15 of 15
##### 15. Question

**What is the purpose of a histogram?**CorrectIncorrect

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**Machine Learning Quizzes**