Making sure a goal is challenging but attainable is focusing on what characteristic of goal-setting theory?
A. specific goals
B. difficult goals
C. goal acceptance and commitment
D. feedback
B. difficult goals
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The difference between a department's gross profit and its operating expenses is known as the departmental direct operating profit
a. True b. False Indicate whether the statement is true or false
Devaluation means that more of the home-country's currency is now needed to buy the same amount of a foreign currency
Indicate whether the statement is true or false
According to Hambrick and Fredrickson, which of the following elements of a strategy represents the competitive advantage of an organization?
A) arenas B) vehicles C) differentiators D) economic logic
We are interested in determining what type of model best describes the relationship between two variables x and y.
a.For a given data set, an estimated regression equation relating x and y of the form
= b0 + b1x was developed using Excel. The results are shown below. Comment on the adequacy of this equation for predicting y. Let ? = .01.
?
SUMMARY OUTPUT
Regression Statistics
Multiple R0.5095
R Square0.2596
Adjusted R Square0.1362
Standard Error2.0745
Observations8
?
ANOVA ?
df
SS
MS
F
Significance F
Regression1
9.0536
9.0536
2.1037
0.1971
Residual6
25.8214
4.3036
Total7
34.875
?
Coefficients
Standard Error
t Stat
P-value
Intercept2.7857
1.6164
1.7234
0.1356
x0.4643
0.3201
1.4504
0.1971
?
b.An estimated regression equation for the same data set (as in part a) of the form
= b0 + b1x + b2x2 was developed. The Excel output is shown below. Comment on the adequacy of this equation for predicting y. Let ? = .01.
?
SUMMARY OUTPUT
Regression Statistics
Multiple R0.9680
R Square0.9370
Adjusted R Square0.9118
Standard Error0.6628
Observations8
ANOVA ?
df
SS
MS
F
Significance F
Regression2
32.6786
16.3392
37.1951
0.0010
Residual5
2.1964
0.4393
Total7
34.875
?
Coefficients
Standard Error
t Stat
P-value
Intercept-2.8393
0.9247
-3.0706
0.0278
x3.8393
0.4714
8.1437
0.0005
x-squared-0.375
0.0511
-7.3335
0.0007
?
c.Use the results of Part b and predict y when x = 4.
What will be an ideal response?