BUAL 2650 EXAM 2 ACTUAL QUESTIONS WITH COMPLETE VERIFIED SOLUTIONS

4/15/25, 10:46 BUAL 2650 exam 2 |
AM




BUAL 2650 EXAM 2 ACTUAL QUESTIONS WITH
COMPLETE VERIFIED SOLUTIONS


Practice questions for this set


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measures the strength of the linear relationship between the dependent variable and the
independent variable



Select the correct term




1standard deviation 2statistical significance




3correlation coefficient 4t-test




Don't know?




In a simple linear regression analysis, always have the same sign
the correlation coefficient (r) and the
slope
(b) ...
- independent
- normally distributed
characteristics off error terms
- mean of 0
- have a constant variance

correlation coefficient is always between -1 and 1

If p<alpha, then you reject the null hypothesis, not significant

SSE residual sum of squares (unexplained)

SSR regression Sum of Squares (Explained Variation)

t-test test for individual significance

f-test test for overall significance

in a simple regression analysis, the slope of the regression line
quantity that gives the amount by
which the Y (dependent variable)
changes for a unit change in X
(independent variable) is called the...

you want r^2 to be... as close to 1 as possible

you want SE (standard error) to be... small




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