When the number of trials is large and the chance of success is small
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Type II Error
Failing to reject the null hypothesis when it was false
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\
Non-Constant Error Variance
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Non-Independent Errors
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Non-Linear Residual Plot
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Not Normally Distributed
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Coefficient of Determination r^2
The proportion of y variability accounted/explained by x
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Correlation Coefficient r
Linear correlation between x and y, direction of the relationship between two variables
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Central Limit Theorem
As the number of random variables being averaged increases the distribution of the average will approach a normal distribution. As Sample size increases the standard deviation decreases
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Vertical Bar chart of frequencies
Histogram
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Line Graph of Frequencies
Frequency Polygon
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Line graph of cumulative frequencies
Ogive
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Bar & Line with bars in descending order and line showing cumulative total for each category
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Flashcard (34)