In Oracle, after all the data has been inserted and verified, the script line that would
save all the changes to the database would be: __________.
Fill in the blanks with correct word
commit
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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?
Deductive Organizational Pattern ? Outlining your messages to meet your receiver's expectations will increase your chances of preparing a document that elicits the response you desire. Most good-news and routine messages use the deductive organizational pattern. Exceptions occur when the cultural context and audience expectations call for an alternate approach. Choose the correct section of the
direct outline to complete the sentence. Provide details and explanations in the_________ of the message. A. body B. data platform C. closing D. opening Fill in the blank(s) with correct word
Consideration is ________ given in exchange for a promise
Fill in the blanks with correct word
It is estimated that by simply rearranging their product development activities and personnel in a global way ______.
a. companies can increase productivity by 210% b. companies can realize cost savings c. companies can increase elasticity of demand d. companies can be more compliant with government regulations