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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Suppose that 20% of all invoices are for amounts greater than $800.A random sample of 50 invoices is taken.
-What is the mean and standard error of the sample proportion of invoices with amounts in excess of $800?
Y-intercept
The point where a line crosses the Y-axis of a graph, representing the value of the dependent variable when all independent variables are set to zero.
Critical Value Approach
A method in hypothesis testing that involves comparing the test statistic to pre-determined values to decide whether to reject the null hypothesis.
Model Significant
A measure of the likelihood that the relationships observed in the data occur due to something other than chance.
Correlation Coefficient
A metric that evaluates how closely related the movements of two variables are.
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