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Statistics General Knowledge - Statistics
General Stats
- This quiz has been taken 19 times
- The average score is 9 of 15
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| Which measure is the square root of the variance? | Standard deviation | 89%
|
| In theory, what is the probability that a person finishes this quiz with exactly 2 minutes left? (Answer in percent) | 0 | 78%
|
| In how many ways can you choose 2 people out of a group of 4? (Order does not matter) | 6 | 78%
|
| What is the name of a graph that represents the frequency of occurrence using bars? | Histogram or Bar Chart | 78%
|
| If you take an infinite sample of IQ scores, which distribution describes the average IQ? | Normal distribution | 78%
|
| A quantitative variable can either be continuous or...? | Discrete | 72%
|
| Which greek letter is used to denote the true mean value? | Mu | 72%
|
| "Correlation does not imply ... "? | Causation | 67%
|
| What measure could you use instead of the average value, which is more useful when you're dealing with outliers? | Median | 67%
|
| What is the range of the following set of numbers: 3, 7, 12, 1, 9? | 11 | 61%
|
| In hypothesis testing, what tells you if the null hypothesis should be rejected based on the significance level? | P-value | 44%
|
| What does MSE stand for? | Mean Squared Error | 22%
|
| In linear regression, what tells you how well a line goes through the datapoints? | R-squared | 22%
|
| What is the name of the probability distribution of a single coin flip? | Bernoulli distribution | 17%
|
| Assume that a treatment works better for men and for women, but worse overall. What is the name of that paradox? | Simpson's Paradox | 6%
|
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