السلام عليكم اخواني الكرام الرجاء الافادة

[ridouane10]

السلام عليكم ورحمة الله وبركاته
لدي واجب في مجال الرياضيات والاحصائيات باللغة الانجليزية واريد حل اجوبته
عدد الاسئلة 10,ارجوكم واتوسل اليكم للي عرف الاجابة يعطيها ليا
واشكركم من صمميم قلبي

---------- Post added at 10:37 AM ---------- Previous post was at 10:07 AM ----------

1-
Suppose you are the Manager and you wish to forecast sales for a particular brand of 3-D Video Card. You also wish to know how well the Sales of this particular video card are related to the price of the card. The 6 month sales snapshot is given in the below table;
Month Units Sold Price ($)
March 15 $225
April 12 $250
May 18 $200
June 21 $175
July 16 $185
August 20 $165
Please note that Month is not a variable in the regression, it is in the table to separate
the data, and not used in the actual analysis.

For the above data, determine the following measures:
a) Equation of Regression Line.
b) Calculate the values of a and b
c) Forecast the sales of 3-D video card for the month of September



2-
A. You are going to buy a house in Dubai. The possible construction companies, the house locations and the size are listed:
Construction Company: Emaar, Nakheel, Mott Mac.
House Location: Dubai Marina, Al-Nakheel, Dirrah.
Size:300m² , 350m² , 450m² ,500m² ,550m²

For how many different ways can you select one Construction Company, one House Location, one Size?

B. You roll a six-sided die. Find the probability of the following events )
1. Event B: getting number greater than 5.
2. Event C: getting number less than or equal 2.
3. Event D: getting number greater than 6.


3-
The Highway Patrol, using radar, checked the speeds (in mph) of 21 passing motorists at a checkpoint. The results are listed below.

40 41 19 31 35 37 27
30 28 24 34 34 29 31
25 36 25 34 33 29 32

a) Construct a frequency distribution, a relative frequency distribution, and a cumulative frequency distribution using six classes

b) Construct a frequency histogram and Ogive using six classes


4-
A. What is the difference between simple regression and multiple regressions

B. The values of x and y are shown in the table below

x 0 1 2 3 4
y 2 3 5 4 6

a) Find the regression equation
b) Estimate the value of y when x = 10

---------- Post added at 07:30 PM ---------- Previous post was at 10:37 AM ----------

ولا واحد يريد المساعدة
يؤسفني ذلك

[amrelkomy]

السلام عليكم ورحمة الله وبركاته
طب انت حضرتك عندك واجب في مجال الرياضيات والاحصائيات باللغة الانجليزية
احنا كمنتدي تعليمي خاص بالفوركس مالنا ومال واجبات حضرتك بدل ما حضرتك قاعد علي النت
حلهم احسلك كي تستنفع باي حاجة