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Q1.How is False Positive Rate determined? (CHOOSE RIGHT ANSWER) Percentage of negative examples that were misclassified Share of misclassified positive examples Number of true positives
Q1.How is False Positive Rate determined? (CHOOSE RIGHT ANSWER)
- Percentage of negative examples that were misclassified
- Share of misclassified positive examples
- Number of true positives / all positives
- Number of true negative / all positive
Q2.What is the guess in Student's t-test? (CHOOSE RIGHT ANSWER)
- Samples are normally distributed
- Samples are not normally distributed
- Sample size is small
- Make no assumptions about samples
Q3.Consider the situation: Suppose everyone who visits our site either receives one of two promotional offers, or does not receive any advertising at all. We want to see if the promotional offer matters. What statistical method would you recommend for this analysis? (CHOOSE RIGHT ANSWER)
- P-test
- T- test
- Z-test
- ANOVA
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