Examlex
Given below are four observations collected in a regression study on two variables, x (independent variable) and y (dependent variable).
a.
Develop the least squares estimated regression equation.
b.
At the 5% level of significance, perform a t test and determine whether or not the slope is significantly different from zero.
c.
Perform an F test to determine whether or not the model is significant. Let α = .05.
d.
Compute the coefficient of determination.
Q19: The table below gives beverage preferences
Q21: Random samples of size 81 are taken
Q26: In an ANOVA procedure, a term that
Q30: In a local university, 40% of the
Q37: In a multiple regression model, the variance
Q37: Part of an ANOVA table is
Q44: In a two-tailed hypothesis test situation, the
Q46: In a completely randomized experimental design involving
Q55: The correct relationship between SST, SSR, and
Q67: A sample of 75 information systems managers