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Questions and Answers
What is the formula to calculate the range of a dataset?
What is the formula to calculate the range of a dataset?
- Mode of the dataset
- Square root of the variance
- Highest value - Lowest value (correct)
- Sum of all values / Number of values
In statistics, what does 'normal distribution' refer to?
In statistics, what does 'normal distribution' refer to?
- Distribution where the mean, mode, and median are equal
- Distribution where 95% of data falls between 1 standard deviation
- Distribution where data has no outliers
- Distribution where 99.7% of data falls between 2 standard deviations (correct)
Which variable is also known as the target or outcome in a statistical model?
Which variable is also known as the target or outcome in a statistical model?
- Variance
- Dependent variable (correct)
- Mode
- Independent variable
What is the primary use of the median in statistical analysis?
What is the primary use of the median in statistical analysis?
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Which measure of dispersion is obtained by taking the square root of the variance?
Which measure of dispersion is obtained by taking the square root of the variance?
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What term is used for variables that predict the dependent variable in a statistical model?
What term is used for variables that predict the dependent variable in a statistical model?
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How is population variance represented in statistics?
How is population variance represented in statistics?
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'Mode' is not typically used when dealing with:
'Mode' is not typically used when dealing with:
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'Parametric vs. Non-parametric' is an important distinction in:
'Parametric vs. Non-parametric' is an important distinction in:
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