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DRIVE FALL 2017 PROGRAM MBA SEMESTER I SUBJECT CODE & NAME MBA103 - Statistics for Management SET-I 1 Write Short notes on following methods of classification in Statistical Survey i. One Way Classification. ii. Two Way Classification iii. Manifold Classification. A One Way Classification. Two Way Classification Manifold Classification. Answer: Answer: a. One-way classification – Classification done according to a single attributes or variable is known as one way classification. Figure below depicts the number of students who has secured more than 60% in various submodules of
2 What do you mean by Statistical Averages? List various requisites of a Good Average. A Statistical Averages. Requisites of a Good Average. Answer: Answer: The statistical average or simply an average refers to the measure of middle value of the data set. The objectives 3 In a beauty contest, the ranks provided by three different judges to 10 competitors are given in following table. Find out which pair of judges are more associated in term of same pattern for ranking Competitors A B C D E F G H I J Judge 1 3 4 6 7 9 8 2 10 1 5
Judge 2 4 Judge 3 5 A Calculation of Rank Correlation Interpretation
5 7
6 9
8 8
7 10
10 6
1 3
9 4
2 1
3 2
Answer: Answer: With a view to find out the Rank Correlation between all the 3 judges we will have to find the correlation between the following: (i) 1st and 2nd judge (ii) 1st and
SET-II 1 Write short notes on a. Type I and Type II error b. Level of Significance c. Null Hypothesis d. Two–tailed Tests and One –tailed Tests e. Test Statistics a. Type I and Type II error b. Level of Significance c. Null Hypothesis d. Two– Two–tailed Tests and One– One–tailed Tests e. Test Statistics Answer: Answer: Type I error: Rejecting a true null hypothesis. The probability of a type I error is indicated by alpha (α). Type II error: Not rejecting a
2 Marks of 10 students out of 150 is given below 60, 110, 120, 135,110, 96, 145, 55, 95 & 125 What is the average marks of a class, Calculate by direct & shortcut methods? A Calculation by Direct method Calculation by Short cut method Answer: Answer: Direct method
3 Production for last 7 years of XYZ ltd is given in following table Year 2009 2010 2011 2012 2013 2014 2015 Production(in Tons) 8 12 13 17 17 25 22 30 Based on above data forecast the production for year 2016 & 2017. A Fitting of straight line Production for year 2016 Production for year 2017 Answer: Answer: The trend line can be fitted by using the method of least squares squares for the
SMU MBA FALL-2017
Dear Students, SMU MBA FALL-2017 Assignments are available. For Booking Kindly mail us on
[email protected] OR call us to +91 9995105420 or S M S your “ Email ID ” us in the following Format “ On +91 9995105420 we will reach back you with in 24H ”
