Sample size, n: 11
Degrees of freedom: 9
Correlation coeff, r: -0.9132944 --answer for a)
Critical r: ±0.6020684
P-value (two-tailed): 0.00009
Y= b0 + b1x:
Y Intercept, b0: 55.62124 -----b) Y=55.62124-.5539044x
Slope, b1: -0.5539044
Total Variation: 1890.182
Explained Variation: 1576.613
Unexplained Variation: 313.5685
Standard Error: 5.902622
Coeff of Det, R^2: 0.8341067
Use the fact that the mean of a geometric distribution is μ = 1/p and the variance is σ2 = q/p2.
A company assumes that 0.5% of the paychecks for a year were calculated incorrectly. The company has 200 employees that examines the payroll records from one month.
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