Examlex
The number of 911 calls in Butte, Montana, has a Poisson distribution with a mean of 10 calls a day. The probability of seven 911 calls in a day is ________.
Variance
A measure of the variability of scores about a mean; the mean of the sum of squared deviations of scores from the group mean.
Regression Equation
A mathematical representation of the relationship between a dependent variable and one or more independent variables.
Constant
A value that does not change in mathematical expressions or scientific experiments, contrasted with variables which can vary.
Slope
A measure of the steepness or incline of a line, representing the rate of change of a variable.
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