What is statistics ? Explain in detail uses of statistics in business unit .
[7 marks]Diffreciate between correlation and coregration .
[7 marks]Explain in detail various shapes in measures of dispersion which related to skewness and kurtosis .
[7 marks]How many six latter word can be formed by using latter of word MONDAY ? How many word commence with Mand end with Y ?
[7 marks]The rank data related to two variables X & Ysuch as following : Sr. No. 1 2 3 4 5 6 X 3 2 5 1 7 4 Y 1 2 4 3 7 5 Calculate Ranking correlation method .
[6 marks]Compute combined mean and standard deviation from following data : c Group –I Group –II A No.of observation 10 40 Mean 25 Variance 16 25
[20 marks]Write a short note on : A) Union event and Intersection event B) Mutually exclusive event C) Permutation and combination
[7 marks]Find out mode from following information : Class 0-15 15-30 30-45 45-60 60-75 75-90 90-105 Frequency 8 10 23 57 33 23 30 Page 1 of
[2 marks]Briefly explain karl pearson method of correlation method .
[7 marks]Determine central Tendency’s for following data : Class 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Frequency 30 60 40 50 60 30 70 50 60
[7 marks]For the following frequency distribution, draw the cumulative frequency polygon (or ogive) of less than type: Class Frequency 1-4 4-7 7-10 10-13 1 13-16 16-19 19-22 22-25 25-28 1 28-31
[4 marks]Explain in detail any 3 graphs in business statistics .
[7 marks]Find co-regression line of two variables : X 25 10 22 44 40 50 60 Y 45 20 34 55 50 70 80
[7 marks]Find range and relative rang of given information : Class 20-29 30-39 40-49 50-59 60-69 70-79 Frequency 5 60 130 52 40
[3 marks]What id co-relation ? Briefly explain types of co-relation .
[7 marks]Find out 4th decile , 2 quartile and 70th percentile of following data : 5 ,8,10,12,19,20,24,28,30,35
[7 marks]Explain in details Bayes’ Theorem about Probability. Page 2 of
[2 marks]