1.In testing for the equality of two population variances, when the population are normally distributed, the 10% level of significance has been used. To determine the rejection region, it will be necessary to refer to the F table corresponding to an upper-tail area of

a) 0.05

b) 0.90

c) 0.95

d) 0.1

2.Consider the data points shoown

xl 1 4 3 2 5 6 0

yl 1 3 3 1 4 7 2

Find the equation for the least-squares regression line that fits this data

4.In a study designed to test outcomes in a competitive game, researchers fit a simple linear regression relating average payoff (y) to penalty (x) and found SSE = 1.04. Assuming n = 28 whats the estimated standard deviation of the error distribution?

a) .4

b) .25

c) .3

d) .2

6.Which of the following statements are ture regarding the simple linear regression model

y = Bo + B1 X2 +E1

a)Bo is the slope of the regression line

b)B1 is the y-intercept of the regression line

c) Ei is a nonrandom error.

d) yi is a value of the dependent variable (y) and xi is a value of the independent variable (x)