Application Step 3
Single Choice
Which of the following data structure is the best for tracking median value, given a long sequence of data?
Application Step 3
Single Choice
Four sets of data follow the same group of statistical distribution. Following are some properties for each of them. Which distribution do those data follow?
Data | Mean | Variance | Square of Skewness | Ex. Kurtosis |
Set 1 | 1 | 1 | 4 | 6 |
Set 2 | 1 | 2 | 8 | 12 |
Set 3 | 1 | 0.5 | 2 | 3 |
Set 4 | 1 | 4 | 16 | 24 |
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Application Step 3
Single Choice
The following function attempts to implement linear regression model. How many errors does it contain?
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