واجب الدكتور خالد سيد تحليل كمي

[battota]

اهاااااااااا تسلمي حبيبتي

ويوفقك يارب :)

[leeloo]

شكررررا جزاكم الله خيير

معليه ساعدوني في حل دي الاسئلة لو سمحتو سؤال 13 - 16 - 17 - 18 - 19 - 37


13. Using a naive forecasting method, the forecast for next week’s sales volume equals
a. the most recent week’s sales volume
b. the most recent week’s forecast
c. the average of the last four weeks’ sales volumes
d. next week’s production volume


16. Which of the following exponential smoothing constant values puts the same weight on the most recent time series value as does a 5-period moving average?
a.  = .2
b.  = .25
c.  = .75
d.  = .8


17. All of the following are true about a cyclical pattern except
a. It is often due to multiyear business cycles.
b. It is often combined with long-term trend patterns and called trend-cycle patterns.
c. It usually is easier to forecast than a seasonal pattern due to less variability.
d. It is an alternating sequence of data points above and below the trend line.


18. All of the following are true about a stationary time series except
a. Its statistical properties are independent of time.
b. A plot of the series will always exhibit a horizontal pattern.
c. The process generating the data has a constant mean
d. There is no variability in the time series over time.


19. In situations where you need to compare forecasting methods for different time periods, the most appropriate accuracy measure is
a. MSE
b. MAPE
c. MAE
d. ME

37. The dual price for a constraint that compares funds used with funds available is .058. This means that
a. the cost of additional funds is 5.8%.
b. if more funds can be obtained at a rate of 5.5%, some should be.
c. no more funds are needed.
d. the objective was to minimize.

[battota]

هدي الاسئله احسس مهمه بس حليت بعضها بقي 1 و 2 و 4 و 7و 8 اللي تعرف حلهم ياريت تحطووا هنااااااااااا

(B) Answer the following with true or false and correct the underlined part in the false ones

1. A physical model that does not have the same physical appearance as the object being modeled is a mathematical model.

2.. The point (3, 2) is feasible for the constraint 2x1 + 6x2  30.

3. minimax regret methods for decision making best protects the decision maker from undesirable results? Fules >>>>consertive approach

4. The trend pattern is easy to identify by using a weighted moving average.

5. In an influence diagram, decision nodes are represented by triangles. Fulse (sqaire)

6. To study consumer characteristics, attitudes, and preferences, a company would engage in production planning. Fulse (marketing research

7. Using a naive forecasting method, the forecast for next week’s sales volume equals the most recent week’s sales volume.

8. A solution that satisfies all the constraints of a linear programming problem except the nonnegativity constraints is called optimal solution.

[lolo.kh]

مرة شكرن كلكم عالحل بس كدا باقي بس كم فقرة اللي هيا
1-
8-
13-
16-
17-
18-
19-
25-
وبس ياريت احد يقدر يفيدنا

[امبراطور الشبكه]

ماشاءالله احمد شغال كويس هاليومين .,~!

طيب ياكابتن اش رايك تقلي كيف حل او 3 اسأله من واجب نبيل شنووف + وطريقة حل الاكسل !

[Beach wishes]

الاسئلة عندي محلولة كاملة للواجب بس ما عرفت كيف ارفعه يقولي فشل

[احساس طالبه مجتهده]

خبر اكيد نفس الواجب هيكون نفس الاسئله بالاختبار ركزو عليهم سواء مع السيد ولا مع الديب وبالتوفيق

[battota]

اش حل دي الفقرتين ؟


1. A physical model that does not have the same physical appearance as the object being modeled is a mathematical model.

2.. The point (3, 2) is feasible for the constraint 2x1 + 6x2  30.


صح ولا غلط مع التصحيح

[lolo.kh]

Beach wishes
انا باعطيكي موقع ترفعي فيه ملفك وبعديم الموقع يطلعلك رابط ويقلك دا رابط ملفك وحطيلنا الرابط هنا لو سمحتي

[lolo.kh]

http://www.2shared.com/uploadComplet...7ZPoVjllB3qWEf