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Current Final Term Papers Spring 2012 Date: 16-July-2012 to 27-July-2012

Current Final Term Papers Spring 2012 Papers, July 2012, Solved Final Term Papers, Solved Papers, Solved Past Papers, Solved MCQs

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Here is my paper STA 301 Spring 2012 Session 1 16-07-2012 Morning 8:00 am

Total Marks 75 in which 43 was MCQ's and all MCQ's were from past papers of 2009 to 2011 i recommend you all to prepare all papers from 2009 to 2011 and here is my paper which I've Copied full 100%

Q:Not more than 70% people pay tax, formulate null and alternative hypothesis? 2 Marks

Q:Define an Un-Biased estimator? 2 Marks

Q:Briefly Explain an experiment design? 2 Marks

Q:Define an independent and dependent variable in regression? 2 Marks

Q:For the data set, we find out five number summary result: Xo=200, Xm=500 and Q2=350, (3 Marks)

Q:Discuss three properties of normal distribution? 3 Marks

Q:The 90% confidence interval for the population mean is 11 to 20, interpret this result? 3 Marks

Q:Define LSD test? 3 Marks

And Here are some long questions and they are all with numerical values so i was unable to copy all material due to shortage of time but here is main IDEA of the long Questions...

Q:Correlation of Coefficient? 5 Marks

Q:Hypothesis Test? 5 Marks

Q:Confidence Interval? 5 Marks

Q:Mean and Variance of Sampling? 5 Marks

Q:Calculate Harmonic Mean of given data? 5 Marks

Remember me in your humble prayers

My todays paper of sta301
ik Question main Bar diagram draw krni thi 
Q2: 2 question confidence interval main se the

Total marks 75
30 multiple choic
4 question of 2 marks
4 question of 3 marks
5 question of 5 marks
Sentific calculator not allowed
Multiple choice 10% from past papers
Q1.decribe about singnefince level
Q2 .discuss about center limit theorem
Q3.q about random degree
Q4.2 – 3 q about hypothesis
Some Qs are related to t-distribution .0
Q5 About Destiy function.

Sta301 today papers 16/7/12

1. A sample of siz n=3 drawn without replacement expirenment from a population N=5 items whose values ,0,2,3,6,7 draw possible samples

2. Calculate sampling error if sample is 102 and population mean is 100

3. A random sample of 12 observations is drawn then a normal distribution with =33.suppose that the sample means is found to be Find 96% confidence interval for

4. RCBD with MSE=200Measure of treatments=4 no of block=5 Then find value of LSD test for

5. Define Unbiased estimator


6. Quartile deviation

7. 5 number summery

Total marks 75
30 multiple choic
4 question of 2 marks
4 question of 3 marks
5 question of 5 marks
Sentific calculator not allowed
Multiple choice 10% from past papers
Q1.decribe about singnefince level
Q2 .discuss about center limit theorem
Q3.q about random degree
Q4.2 – 3 q about hypothesis
Some Qs are related to t-distribution .0
Q5 About Destiy function.

Total Marks 75

 43  MCQ's and all MCQ's were from past papers of 2009 to 2011 

Q:Not more than 70% people pay tax, formulate null and alternative hypothesis? 2 Marks

Q:Define an Un-Biased estimator? 2 Marks

Q:Briefly Explain an experiment design? 2 Marks

Q:Define an independent and dependent variable in regression? 2 Marks

Q:For the data set, we find out five number summary result: Xo=200, Xm=500 and Q2=350, (3 Marks)

Q:Discuss three properties of normal distribution? 3 Marks

Q:The 90% confidence interval for the population mean is 11 to 20, interpret this result? 3 Marks

Q:Define LSD test? 3 Marks

 some long questions and they are all with numerical values 

Q:Correlation of Coefficient? 5 Marks

Q:Hypothesis Test? 5 Marks

Q:Confidence Interval? 5 Marks

Q:Mean and Variance of Sampling? 5 Marks

Q:Calculate Harmonic Mean of given data? 5 Marks

total question = 43 ...30 mcqs mostly from past papers  rest were subjective

What is the difference between an outcome and an event?  (2)

The mean of a Poisson distribution is 5 while its standard deviation is 4. Comment on it   (2)

If an automobile is driven on the average no more than 16000 Km per year then formulate the null and alternative hypothesis   (2)

If the population proportions are gives as:   P1 = 0.4, P2 = 0.20

find sigma^2 P-hat 1 - P-hat 2 ,  where n = 12.

How many parameters are associated with F- distribution and what is the range of the distribution?   (3)

Which of the following statement represents continuous data and discrete data?   (5)

i) Number of shopes in a plaza.

ii) Hourly temperature recorded by whether bureau.

iii) Inches of rainfall in a city.

iv) Number of passengers carried by rail every year.

v) Height measurements of boys studying in a college.

The probability density function of a random variable X is given by :

f(x) 3x^2   ( 0 < or equal to x is < or equal to 1)

             0              else where

calculate P(X < 0.5)                                                     (5)

Nine individual are chosen at random from a normal population and their weights in Kg are found to be 63, 64, 66, 67, 67, 68, 69, 69, 70 with mean weight 67 and standard deviation 2.345. Test the hypotheses c

Ho : mew = 66Kg. Using 5% level of significance.      (5)

Two samples are drawn from two normal populations with the following information:

Lahore : n1 = 50, X-bar 1 = 14, s1 = 5
Karachi: n2 = 70, X-bar 2 = 12, s2 = 4
Construct the 95% confidence interval for the difference between the two population means. ( 5)

 

  1. f(x)=3x(square) find p(0.2<x<0.9). solve it by integration
  2. parameters of hypergeometric distributio ans (n,N,k)
  3. range of chi-square distribution. ans(0 to infinity)
  4. given x-x(bar)=3,-3,4,-4,1,-1 find out mead deviation. ans is o
  5. what are steps involved in statistical research
  6. find out upper quartile of standard normal distribution
  7. there was a question of hypothesis testing of H0:variane1<variencs2. values of s1,s2,n1,n2 was given
  8. define relative frequency
  9. given 7,7,7,7,7,7,7 find standard deviation
  10. given -1.-1,-1,-1 find out standard deviation
  11. anova is used to test variences of several mean.
  12. in RCBD total blocks are 3, and treatement are 4. find out degrees of freedom for block,treatment and error
  13. give 2 types of experimental design
  14. F- has ________ parameters.
  15. mead deviation=___________*standard deviation
find CONFIDENCE INTERVAL.. s.d of population was given

mean was also given

96% CI find out krna tha

we use Z-statistics

Mcqs=20 marks too much easy and 4rom old papers

subjective questions

1.what s b!as?(2)

2.advantages and disadvantages of medan?(3)

3. Mathematical expecton of discrete random variable?(3)

4.any two properties of mathematical expectation?(2)

5.what s stat!c test?(2)

6. Decide a small sample and large sample?(2)

7.4 questions were numeric 4rom probablty and bnomal dstrbuton?(2 or 3 marks)

8. Calculate the class boundaries,class marks and relatve frequency?(5)

9.2 questions k smagh na aye pata nah kasy kernay thay (5)

10.tell the null and alternative hypothesis of 150?(2)

Total 36 questions
20 mcqs
6 questions of 2 marks
6 questions of 3 marks
4 questions of 5 marks

all mcqs from previous paperz
2 marks:
level of significance
type of design

5 marks:

all questions were from test hypothesi

Total marks 75, 34 short questions. Total questions 43.

35. In which condition, Poisson distribution is used to approximate the hypergeometric distribution?

36. Elaborate the Least Significant Difference (LSD) test.

37. Write down the formula of combined or pooled proportion of two samples.

38. If approximate value of class interval is 2.96 and range = 14.8 then find the number of classes.

39. The probability density function of random variable X is given by

Find P(|X| < 1.5).

40. Find the coefficient of variation (C.V) for the following price of a commodity.

Price (X): 8, 13, 18, 23, 30

41. Flaws in plywood occur at random with an average of one flaw per 50 square feet. What is the probability that a 32 square feet will have no flaws?

42. Can you reject a claim that the average age of members of Parliament is at least 50, if a random sample of 36 members has a mean age of 48.7 with standard deviation of 3.1 years? Assume all members ages are normally distributed; where ().

43.

If we have and

Then, find the 90% confidence interval for population variance ( ).




T distribution 

3 question was from probability 

husband and wife apply for same job and husband probability for job is like this 9/3 and wife job probability was something  3/5 like , what is the probability that husband could get job and wife not?

another question was , a boy sell umbrellas on rainy days and earn 30$ and in other days he can earn 24$ , if the probability of rain is 0.3% what will he expectation ?

another question was ,

central thuerium ,

and what is difference between constant and random variable ....

portion probability

 

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