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STA301 Online Quiz No 02 Solution & Discussion Last Date:16-12-2014

Opening Date and Time of Quiz  Dec. 15, 2014 at 12:01AM

Closing Date and Time of Quiz    Dec. 16, 2014 at 11:59PM




Read the following instructions carefully before attempting the Quiz No.1.


•        Quiz will be based upon Multiple Choice Questions (MCQs) and it will cover Lesson no. 10 to Lesson no.19.


•        You can start attempting the quiz any time within given date(s) and time of a particular subject by clicking the link for Quiz in LMS.


•         Each question has a fixed time of 90 seconds. So you have to save your answer before 90 seconds. But due to unstable internet speeds, it is recommended that you should save your answer within 60 seconds. While attempting a question, keep an eye on the remaining time.


•         Attempting quiz is unidirectional. Once you move forward to the next question, you can not go back to the previous one. Therefore before moving to the next question, make sure that you have selected the best option.


•         DO NOT press back button while attempting a question; otherwise you will lose a question.


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•         If for any reason, you lose access to internet (like power failure or disconnection of internet); you will be able to attempt the quiz again from the position where you left in last attempt. But remember that you have to complete the quiz before expiry of the deadline.


• It is advised that for rough work keep a paper and pencil with you.


• You may use calculator for finding the correct solution among options.


•         If any student failed to attempt the quiz in given time then NO re-take or offline quiz will be held.

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Replies to This Discussion

Please all students related this subject Share your online Quizzes here to help each other.thanks


Please share the question and their answers of this quiz if anyone has done.

Question # 1 of 10 (Start time: 06:44:02 PM) Total Marks: 1
In the method of moments, how many equations are required for finding two unknown population parameters?
Select correct option:
2 = answer
Question # 2 of 10 (Start time: 06:45:31 PM) Total Marks: 1
For statistical inference about the mean of a single population when the population standard deviation is unknown, the degrees for freedom for the t distribution equal n-1 because we lose one degree of freedom by using the:
Select correct option:
Sample mean as an estimate of the population mean = answer
Sample size as an estimate of the population size
Sample proportion as an estimate of the population proportion
Sample standard deviation as an estimate of the population standard deviation
Question # 3 of 10 ( Start time: 06:47:31 PM ) Total Marks: 1
An urn contains 4 red balls and 6 green balls. A sample of 4 balls is selected from the urn without replacement. It is the example of:
Select correct option:
Binomial distribution
Hypergeometric distribution = answer
Poisson distribution
Exponential distribution
Question # 4 of 10 ( Start time: 06:48:17 PM ) Total Marks: 1
An estimator is always a:
Select correct option:
Statistic = answer
Random variable
Statistic and Random variable
Question # 5 of 10 ( Start time: 06:49:50 PM ) Total Marks: 1
The Chi- Square distribution is continuous distribution ranging from:
Select correct option:
Zero to infinity = answer
Minus infinity to plus infinity
Minus infinity to one
One to plus infinity
Question # 6 of 10 ( Start time: 06:51:10 PM ) Total Marks: 1
In a Geometric distribution, Maximum Likelihood Estimator (MLE) for proportion (P) is equal to:
Select correct option:
Sample mean
Reciprocal of the mean = answer
Sample variance
Reciprocal of the sample variance
Question # 7 of 10 ( Start time: 06:52:45 PM ) Total Marks: 1
Let X be a random variable with binomial distribution, that is (x=0,1,…, n). The Var[X] is:
Select correct option:

NP (1-p) = answer
Question # 8 of 10 ( Start time: 06:54:23 PM ) Total Marks: 1
ANOVA stands for
Select correct option:
Analysis of variance = answer
Analysis of covariance
Analysis of variables
All above
Question # 9 of 10 ( Start time: 06:55:37 PM ) Total Marks: 1
If an estimator is more efficient then the other estimator, its shape of the sampling distribution will be
Select correct option:
Highly peaked = answer
Skewed to right
Question # 10 of 10 ( Start time: 06:56:34 PM ) Total Marks: 1
How can we interpret the 90% confidence interval for the mean of the normal population?
Select correct option:
There are 10% chances of falling true value of the parameter
There are 90% chances of falling true value of the parameter = answer
There are 100% chances of falling true value of the parameter
All are correct

STA301 quiz check attachment .....


Sta301 quiz_2


Syeda Shahzadi Bukhari (BS 8th ) thanks for sharing ..keep it up 

Quiz Start Time: 04:16 PM

Time Left


Question # 3 of 10 ( Start time: 04:18:52 PM )

Total Marks: 1

Which of the rule gives no information about the probability of observing a value within one standard deviation of the mean?

Select correct option:




Quiz Start Time: 04:16 PM

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Question # 4 of 10 ( Start time: 04:19:27 PM )

Total Marks: 1

If Xo is the smallest value and Xm is the largest value in a data set then, range is defined by the relation:

Select correct option:



Quiz Start Time: 04:16 PM

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Question # 6 of 10 ( Start time: 04:21:12 PM )

Total Marks: 1

When the peak of the curve becomes relatively high, it is called:

Select correct option:



Quiz Start Time: 04:16 PM

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Question # 9 of 10 ( Start time: 04:23:55 PM )

Total Marks: 1

Third moment about mean provides information about the_________ of the distribution.

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Quiz Start Time: 04:16 PM

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Question # 10 of 10 ( Start time: 04:24:36 PM )

Total Marks: 1

A standard deck of 52 cards is shuffled. What is the probability of choosing a card which is not a diamond:

Select correct option:




Today Quiz @ 7 : 12 PM.

A letter is chosen at random from the word STATISTICS. The probability of getting a vowel is:

  • 3/10
  • 4/10
  • 5/10
  • 6/10

Putting the value of “k” which is greater than one in Chebyshev’s inequality we get the …………… proportion of values that lies in that range.

  • Maximum
  • Optimum
  • Minimum
  • None of the above

For a positively skewed distribution mid range is ……………. To/than the mid quartile range

  • Greater
  • Less
  • Equal
  • None of these 

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?

  • 1/2
  • 3/4
  • 3/8
  • 5/16



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