Question
In: Math
15. An instrument with 20 questions [i.e., a scale of 20 variables] was evaluated for internal...
15. An instrument with 20 questions [i.e., a scale of 20 variables] was evaluated for internal consistency (reliability).
The following is the result: Cronbach's Alpha N of Items
0.623 20
Please comment about the internal consistency of the scale of 20 items mentioned above? Provide rationale AND JUSTIFY YOUR ANSWER
Solutions
milcah answered 1 year agoRelated Solutions
Please answer ALL of the questions below: 1. Internal economies of scale lead to (a. perfect/...
Please answer ALL of the questions below:
1. Internal economies of scale lead to (a. perfect/ b.
imperfect) competition. A monopolist maximizes her profit
by setting marginal cost equal to (a. output price/ b.
marginal revenue), so that output price is (a.
larger than/ b. smaller than/ c. equal to) average
cost and monopoly profit is (a. zero/ b. positive/ c.
negative). In monopolistic competition, however, an
industry contains (a. only one/ b. only few/ c. a lot
of) producer(s)...
For questions 15-20, consider a box with 3 red and 5 blue balls. 15. If one...
For questions 15-20, consider a box with 3 red and 5 blue balls.
15. If one ball is drawn at random, what is the probability that
the color is red? The probability that you pick a red ball is 3/8.
3 red, 5 blue 3+5=8 Therefore, 3/8.
https://canvas.park.edu/files/5516027/download?download_frd=1&verifier=6xdC2s8YTdrrfONH1TZPJUK9jRKzh2UmtaqIbg9y
16. If two balls are drawn at random, what is the probability that
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Given are five observations for two variables, x and y. xi 1 4 11 15 20...
Given are five observations for two variables,
x and y.
xi
1
4
11
15
20
yi
52
57
48
16
10
a. Compute SSE,
SST, and SSR.
SSE [ ] (to 2
decimals)
SST [ ] (to 2
decimals)
SSR [ ] (to 2
decimals)
b. Compute the coefficient of determination
r2. Comment on the goodness of
fit.
[ ] (to 3 decimals)
The least squares line provided an [good,bad] fit;
[ ]% of the variability in
y has...
Given are data for two variables, x and y. xi 6 11 15 18 20 yi...
Given are data for two variables, x and y.
xi
6
11
15
18
20
yi
7
7
13
21
30
(a)
Develop an estimated regression equation for these data. (Round
your numerical values to two decimal places.)
ŷ =
(b)Compute the residuals. (Round your answers to two decimal
places.)
xi
yi
Residuals
6
7
11
7
15
13
18
21
20
30
(c)Develop a plot of the residuals against the independent
variable x.
a) A residual plot has 5...
Given are data for two variables, x and y. xi 6 11 15 18 20 yi...
Given are data for two variables, x and y.
xi 6 11 15 18 20
yi 6 8 12 20 30
Use the facts that ̄x= 14, ̄y= 15.2, ˆy=−7.02 + 1.59x, Σ(xi −
̄x)^2 = 126, and s= 4.88.
a. Compute the residuals.
b. Plot the residuals against x. Do the assumptions about the
error terms seem to be satisfied?
c. Compute the standardized residuals.
Given are data for two variables, x and y. xi 6 11 15 18 20 yi...
Given are data for two variables, x and y.
xi
6
11
15
18
20
yi
5
9
12
19
30
(a) Develop an estimated regression equation for these data.
(Round your numerical values to two decimal places.)
ŷ =
(b) Compute the residuals. (Round your answers to two decimal
places.)
xi
yi
Residuals
6
5
11
9
15
12
18
19
20
30
(d) Compute the standardized residuals. (Round your answers to
two decimal places.)
xi
yi
Standardized
Residuals...
Given are data for two variables, x and y. xi 6 11 15 18 20 yi...
Given are data for two variables, x and y.
xi
6
11
15
18
20
yi
5
9
12
21
30
(a)
Develop an estimated regression equation for these data. (Round
your numerical values to two decimal places.)
ŷ =
1.66x−7.82
(b)
Compute the residuals. (Round your answers to two decimal
places.)
xi
yi
Residuals
6
5
11
9
15
12
18
21
20
30
(c)
Develop a plot of the residuals against the independent variable
x.
A residual plot...
Internal controls are evaluated using both a flowchart and a questionnaire. Discuss the relative advantages and...
Internal controls are evaluated using both a flowchart and a
questionnaire. Discuss the relative advantages and disadvantages of
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Why must the auditor obtain an understanding of internal control? please write a reasonable opinion. 15-20...
Why must the auditor obtain an understanding of internal
control?
please write a reasonable opinion. 15-20 sentences, may be
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Sensory Evaluation: A Californian Chenin Blanc was evaluated on a 9-pt scale representing varietal nature (with...
Sensory Evaluation:
A Californian Chenin Blanc was evaluated on a 9-pt scale
representing varietal nature (with 1=very dissimilar and 9=very
similar in varietal nature). Permission was sought for a
Jamaican wine made from Chenin Blanc grapes grown in Jamaica to
also be called “Chenin Blanc.” It was decided that if
the “varietal nature” scores of the Jamaican wine (as assigned by 8
experts) were not significantly different from the
California Chenin Blanc scores, permission will be
given.
Expert
CA Chenin Blanc
Jamaican...
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