Today's Paper

[Nazish]

today's paper of sta301........

very easy for me...about 10 question was of playing cards exAMLE....another example of pair die and tossed dice were also in mcqs. 

all MCQs were repeated and came from this forum helpline..but 2 long questions were lil difficult.  

overall paper was gud.

thanx for the past solved papers. it works.

[+M.Tariq Malik]

Nazish thanks for sharing ..keep it up 

Attention Related Mid Term papers Spring 2013: All Fellows You don’t need to go any other site for current Mid Term papers Spring  2013, Because All discussed data/sharing of our members in this discussion are going from here to other sites. You can judge this at other sites yourself. So don’t waste your precious time with different links.

[sania ahmad]

plz koi paper share kr dy

[+M.Tariq Malik]

sta301

two fair dice are rolled make sample space and what is the sum of outcome that 7.     5marks

why stadndard deviation is better than mean deviation. 2marks

values are given find moments ratio  b1 and b2.          3marks

AunionB and AintersectionB find           2marks.

1 qo to calculate mean mode and median

[+M.Tariq Malik]

today's paper of sta301........

very easy for me...about 10 question was of playing cards exAMLE....another example of pair die and tossed dice were also in mcqs. 

all MCQs were repeated and came from this forum helpline..but 2 long questions were lil difficult.  

overall paper was gud.

thanx for the past solved papers. it works.

Read more: Today's Paper - Virtual University of Pakistan http://vustudents.ning.com/group/sta301statisticsandprobability/for...

[+M.Tariq Malik]

STA301 Current Midterm Paper May 2013

total question: 26
20 mcqs mostly from past papers
26: s={1,2,3,4,......9} A={1,2} B={3,4,5,6}
Compliment of A=?
Compliment of B=?
Power set of A=?
25: kuch data given tha us ki minimum maximum aur lower quartile upper quartile maloom krna tha
24: c.v=? data given tha
23:bhool gai 
22: probability ka multiplicative law pucha tha
21; quartile deviation nikalna tha 
data given tha

[+M.Tariq Malik]

STA301 Current Midterm Paper May 2013 

Total questions were 26.
MCQs were 20, from past paper and very easy.
Do learn all the concepts of Probability.

Subjective questions were 6. 
Two of two marks, Two of 3marks and 2 of Five marks.

Complete the formula for Conditional probability P (A/B) = P( A intersection B) / ? (2marks)
what is "five number summary" (2marks)

P(A) = 0.60, P(B) = 0.40 P(A intersecrion B) = 0.24, Find P(AUB) = ? (3marks)
Find the skewness, mean and mode were given? (3marks)

Find the two moment mean of the following ungrouped data.(5marks)
Two dice are rolled write it's sample space and what is the probability that 5 will occur (5 marks)
Do pray for my next exam 

===========
My today's STA301 paper:
Total marks: 40
Total qs: 26
Total mcqs: 20
The subjective questions were:
Which numbers are included in five number summary? (2 marks)
Find out the missing element: P(A/B)=P(A intersection B)/? (2 marks)
The values of Xo, Q2 (median) and Xm were given, we had to discuss the skewness of the distribution. (3 marks)
A committee of of four members is to be chosen from a total of ten persons. In how many ways this could be done? (the formula was also to be written). (3 marks)
Sets A, B and S were given, prove: AUB (complement)=A(complement) intersection B(complement), (Demorgan's law). (5 marks)
The values of X were given, had to calculate the coeffecient of skewness. (5 marks)
Hope it will help the students, who still have to attempt STA301 paper...
Thanks...
Regards...

============

odays STA301 solved paper 25 may 2013


For a positively skewed distribution m3 will be:
► Positive (Page 119)
► Negative
► Zero
► 1


Which one is the formula of range?
► xm-xo
► 0 m x x 
► 0 2 m x x 
► (Page 80) 0 2 m x x 


Which one of the following measurement does not divide a set of observations into equal parts?
► Quartiles
► Deciles
► Percentiles
► Standard deviations


The number of ways in which 4 books can be arranged
► 4
► 6
► 12
► 24


If X and Y are independent, then Var(X-Y) is equal to:
► Var(X)-Var(Y)
► () () VarXVarY
► () VarX Y
► Zero


If any value in the data is zero, then it is not possible to have:
►Harmonic Mean
►Arithmetic Mean
►Median
►Mode (rep)


A coin is tossed 3 times then, the number of sample points in the sample space is:
►3
►8 (Page 145)
►6
►4


The approximate number of observations in a set of data covered by the interval, Median Q.D are: 
►50 per cent (Page 84)
►68.5 per cent
►95.4 per cent
►99 per cent


In a set of 10 values all the values are 5, what is the value of 5th Decile:
►2
►5
►10
►20


A population that can be defined as the aggregate of all the conceivable ways in which a specified event can happen is known as:
►Infinite population
►Finite population
►Concrete population
►Hypothetical population (Page 12)


A histogram consists of a set of adjacent rectangles whose bases are marked off by:
►Class boundaries (Page 32)
►Class limits
►Class marks
►Class frequency


For positively skewed distribution
Mean…….Median…….Mode:
►=
►/p>
►> Click here for detail
► 


How to find relative frequency distribution:
► Divide the class frequencies in half 
► Divide the class frequency by the number of observations 
► Find the difference between consecutive lower class limits 
► Count the number of observations in the class 

Which of the following is NOT a possible probability?
► 25/100
► -1
► 0
► 1


Data collected from Ministry of food is:
► Ungrouped data
► Secondary data
► Primary data
► Arrayed data

A frequency polygon is obtained by plotting the class frequencies against what?
Select correct option:
Class bounday
cumulative frequency
relative frequency
mid point

Subjective

Q.1 Find out the missing element P(A|B) = ?/P(B) ( Marks: 2 )

P(A|B) = P(A∩B) /P(B)

Q.2 What is meant by b in the linear regress line y= a + bx? ( Marks: 2 )

b represent slope of the line. 

Q.3 A card is chosen from a deck of 52 cards. What is the probability if it is a
a) Diamond
b) Spade
c) Diamond or Spade ( Marks: 3 )

n(S) = 52
Diamond cards = n(A) = 13 and Spade = n(B) = 13
a) P(A) = n(A)/n(S) = 13/52
b) P(B) = n(B)/n(S) = 13/52
c) P(AUB) = P(A) + P(B)
= 13/52 + 13/52 = 26/52 = 1/2


Q.4 Consider the following values of moments:
= 0, = 20.5, = 35.2 and = 1204
Find the coefficient of skewness and kurtosis (). ( Marks: 3 )







Q.5 Compute the mean deviation from mean for the following data. (Where Mean X= 18.6 )
X 14.5 16.5 18.5 20.5 22.5
Frequency 3 5 11 7 3 ( Marks: 5 )

X
F
f
14.5
3
-4.1
4.1
12.3
16.5
5
-2.1
2.1
10.5
18.5
7
-0.1
0.1
1.1
20.5
11
1.9
1.9
13.3
22.5
3
3.9
3.9
11.7
SUM
29


48.9



Q.6 A husband and wife appear in an interview for two vacancies in the same post. The probability of husband’s selection is 2/7 and probability of wife’s selection is 3/5. ( Marks: 5 )
What is the probability that only husband is selected?
==========

today's paper of sta301........
very easy for me...about 10 question was of playing cards exAMLE....another example of pair die and tossed dice were also in mcqs. 
all MCQs were repeated and came from this forum helpline..but 2 long questions were lil difficult. 
overall paper was gud.
thanx for the past solved papers. it works.
=============


Total: 26 Questions
20 MCQs
2 Short Questions Each of 2 marks.
Define disjoint sets.
Why a standard deviation is better than mean absolute deviation?
2 Short Questions each of 3 marks.
For a data mean=141, mode= 122.5 and . Calculate the Pearson’s Coefficient of skewness.
A ball is selected at random from a bag contains 2 white, 5 black, and 7 green balls. What is the probability that it is a:
i) White ball
ii) Green ball
2 Short Questions each of 5 marks.
Calculate the coefficient of standard deviation for the data given below:
X= 111, 123, 153, 173, 129
Three horses A, B and C are in a race; A is twice as likely to win as B and B is twice as likely to win as C. Assume that events are mutually exclusive. What is the probability that A or B wins?

[M.Tahir]

Yaar ap log kaisy kar lete ho tiyari is subject ki. mujy to kuch samjh nai aa raha 2 dafa pahly de chuka hoon paper or dono dafa F grade ha is dafa again try kar raha hoon.. kia ap logo ne is subject ki tution rakhi huwi ha? koi help karo please mera kal paper ha or abhi tak aik b lafz nai yaad.. Kia karoon? mujy ye questions ki samjh hi nai aati k kaisy solve karon? please tell me how this is very easy subject for you guys..  

[NAZ Ahmed]

my today's ppr 

mcqs past pprs mein se thay

Which two suits of playing cards are made of red color?

A man tossed a fair dice and obtain the following sample space, and probability of sum of equal of 10?

Emperical rule ka aik q tha muje q yad nhi

baki theek yad nhi 

[+M.Tariq Malik]

 Mazhar thanks for sharing ur paper 

Attention Related Mid Term papers Spring 2013: All Fellows You don’t need to go any other site for current Mid Term papers Spring  2013, Because All discussed data/sharing of our members in this discussion are going from here to other sites. You can judge this at other sites yourself. So don’t waste your precious time with different links.

[NayabBukhari]

brother prepare from B.A stat

or

select topic from book and get helping short lecture from youtube 

best of luck

[Shahzad]

my today paper 29 at 3.30pm

paper was so easy for me, all mcqs were from old paper

m1, m2, m3, m4 were given find the b1?   2 marks

when we prefer to use conditional probability?  2 marks

A ball is selected at random from a bag contains 2 white, 5 black and 7 green balls. What is the 
probability that it is a 
1. White ball 
2. Green ball     3 marks

values were given and find pearson coefficient of skewness?  3 marks

values were given and find M.D?  5 marks

[+M.Tariq Malik]

Shahzad thanks for sharing ur paepr..best of luck for ur result 

Attention Related Mid Term papers Spring 2013: All Fellows You don’t need to go any other site for current Mid Term papers Spring  2013, Because All discussed data/sharing of our members in this discussion are going from here to other sites. You can judge this at other sites yourself. So don’t waste your precious time with different links.