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Assignment no.1(Lessons 1 – 11)

 

 

Question 1:                                                                                                  Marks: 2+5=7

a)      In a moderately skewed distribution mean = 60 and median = 55. Find Mode?

b)  Arrange the data given below in an array and construct a frequency distribution using a class interval of 5. Calculate the class- limits and class-boundaries and the starting value is 55.0

79.4, 71.6 ,  95.5, 73.0, 74.2, 81.8, 90.6, 55.9, 75.2, 81.9, 68.9, 74.2, 80.7, 65.7, 67.6, 82.9, 88.1, 77.8, 69.4, 83.2, 82.7, 73.8, 64.2, 63.9, 58.3, 83.5, 70.8, 72.1, 71.6, 59.4, 77.6.

Question 2:                                                                                         Marks:2+6=8

a)      For a set on n values of  , it is known that  , , find ?

b)     The following are the scores made by two batsmen A and B in series of innings:

A:        28        22        46        85        9          59        175      42        11        92       

B:        52        18        4          95        125      12        90        58        7          76

i)                    Who is better as a run getter?   

ii)                  Who is more consistent player?

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keep it up bro 

Good job 

in question no 1 (b) k solution main ap ki 2nd class boundry correct ni hy, but ao ka mathed tekh hy.

 

Spring 2015_STA301_1 Solved by Zain nasar corrected..........

Attachments:

Class interval Frequency Class bounderies Mid class
55-59 4 54.5-59.5 57
60-64 2 59.5-64.5 62
65-69 4 64.5-69.5 67
70-74 8 69.5-74.5 72
75-79 4 74.5-79.5 77
80-84 7 79.5-84.5 82
85-89 1 84.5-89.5 87
90-94 1 89.5-94.5 92


b) Arrange the data given below in an array and construct a frequency distribution using a class interval of 5. Calculate the class- limits and class-boundaries and the starting value is 55.0

 

Question 1:                                                                                                  Marks: 2+5=7

a)      In a moderately skewed distribution mean = 60 and median = 55. Find Mode?

      b)  Arrange the data given below in an array and construct a frequency distribution using a class interval of 5. Calculate the class- limits and class-boundaries and the starting value is 55.0

79.4, 71.6 ,  95.5, 73.0, 74.2, 81.8, 90.6, 55.9, 75.2, 81.9, 68.9, 74.2, 80.7, 65.7, 67.6, 82.9, 88.1, 77.8,  69.4, 83.2, 82.7, 73.8, 64.2, 63.9, 58.3, 83.5, 70.8, 72.1, 71.6, 59.4, 77.6.

Question 2:                                                                                         Marks: 2+6=8           

a)      For a set on n values of  , it is known that  ,  , find ?

b)     The following are the scores made by two batsmen A and B in series of innings:

A:        28        22        46        85        9          59        175      42        11        92       

B:        52        18        4          95        125      12        90        58        7          76

i)                    Who is better as a run getter?   

ii)                  Who is more consistent player?

 a.a kindlyy tell me how to solve qes2(b) plzzz i cnt understand standerd devation mai x-xbar ki value kasye find out kron???

Dear brothers & sisters, in my opinion aise banay ge Class Limit and Class Boundaries

55-59.9    54.95 - 59.95

60-64.9    59.95 - 64.95

Because in given data there is already one decimal point i.e. 55.9, 58.3 etc, so we should construct class boundaries with two decimal digit as shown above. 

Kia kehtay ho aap log...

u r crct bro :) aisy hi classes and boundaries mery pass b bny hy :)

yes its rit 

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