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Assignment # 2 (Lessons 10-15)
Question 1: (Marks: 3+5=8)
a) The fourth mean moment of a symmetric distribution is 243. What would be the value of the standard deviation in order that the distribution may be meso-kurtic?
b) Two candidates X and Y at the B.A (Hons.) Examination obtained the following data.
S.D = 24.25
S.D = 15.6
Which of the candidate showed a more consistent performance?
Question 2: (Marks: 2+5=7)
X = Number of years of service
Y = weekly wage rate
n = 23; ∑X = 2433; ∑Y = 4254, ∑ = 281019; = 841786 and = 482788
If the correlation coefficient indicates that there does exist a relationship between X and Y, compute the least squares line of regression Y = a + b X.
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Thnx Tariq bhai.
Q no1 main m4/m2=b3 kesy ho gaie
and Q2 main first part es ki kesi ko kuch samaj aai hy tu plz bta day kuch mughy b plzzzz
q no 2 ka (b) part kasy solve kia h plz tell me i m in confusion
sis main ne explain kiya hai agay check karain ap
Q.2 B k answer ghalat hai....
kya mistake hai ?????????
sultan bro agar ap kisi k Q ko wrong kahtay ho to plzzzzz sath mistake b mention kar diya karain nai to saray student confuse ho jatay hain
sultan bhai agr aapko waqai koi mistake mili hy to aap ko wo mention b krni chahiye aor oska solution b dena chahiye otherwise baqi students confuse ho jatey hn..
i thnk scnd waly me cftn ka formula lgy ga n values to sb hi gvn hn