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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hiiiiiiiiiiiii fellows ! I need help in assignment no.1
AOA! Idea for ST301
Answer (1a): Mean – Mode = 3 (Mean - Median)
Answer(1b):
Class Interval |
Frequency |
Class-Limits |
Class-Boundaries |
Answer(2a): the equations not shows by web
Answer(2b): To find out who is better as run getter and who more consistent player is, first calculate the Mean and Standard Deviation from the given data with help of sum of total values/no of total values and the equation not shows by web . Then find the coefficient of variance. From here you will get your desired ANSWER, please.
nice keep it up if anyone have problem about this assignment so ask me
Arrange Data question (1 b part):
55 |
55.9 |
58.3 |
59.4 |
63.9 |
64.2 |
65.7 |
67.6 |
68.9 |
69.4 |
70.8 |
71.6 |
71.6 |
72.1 |
73 |
73.8 |
74.2 |
74.2 |
75.2 |
77.6 |
77.8 |
79.4 |
80.7 |
81.8 |
81.9 |
82.7 |
82.9 |
83.2 |
83.5 |
88.1 |
90.6 |
95.5 |
frequency number must be equal to raw data number.these number are 31 i think so but zain nasir your frequency total32.
sidra 32 hogin value because 55 is starting value bqi 31 values di hue hain so 32 in total
sidra ap 55.0 ko include kr k count kro.....
yes sis there is total 32 values in our data where starting value is 55.0 , Zain bro is correct :)
Spring 2015_STA301_1 Solved by Zain nasar corrected
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