The ranks of 15 studenlí . in two subjecls ļ B vare within bracketé denotes the rank of a sludent in C,10), (2,7),3, 2), (4,6), (5,4), (6,8) (7,3) , (8,1), (9, 11), (10,15), (11, 9), C12,5) (13, 14), (14,12), (15,13) Caloulate Spearman's rank correlelion coefficiont. A & B are given blow . The lwo nimbers Subjicte A & B respectively to
The ranks of 15 studenlí . in two subjecls ļ B vare within bracketé denotes the rank of a sludent in C,10), (2,7),3, 2), (4,6), (5,4), (6,8) (7,3) , (8,1), (9, 11), (10,15), (11, 9), C12,5) (13, 14), (14,12), (15,13) Caloulate Spearman's rank correlelion coefficiont. A & B are given blow . The lwo nimbers Subjicte A & B respectively to
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:82. The ranks of 15 sludentí. in two subjeclí
A ļ B vare
within brackete denetes the rank of a
sludent in Subjielé A &B mspeclively
1,10), (Q,7),"3, 2), (4,6), (5,4), (6,8)
(7,3) , (8,1) , (9, 11), (10,15), (11, 9), C12,5)
(13, 14), (14,12), (15,13)
Calculate Spearman's rank correlelion
teefficiant.
given below .. The two numbers
9 3. the followung calculalions have been made
for 'hrices" of livelue stocks (x) at the
Calentta Stock Excharge
along soith the volume "of
of shares (y). From theie calculalions find
the
regresion equalion f frice af
on a certain day
sales in thonsands
iof
stocks
Date
Page
of
shares :
Ex² =41658
on the volume
of sales
Σ58O, Σ4 370
Eye= 17206, 'Ixy
l1494
84. The dala gwes the scons
fallowing
gues
oblained by a saleuman ga company
in intellegence test and thlir soakly
sales:
Lest
score (x) : 50, 60,50, 60, 80, 50, 80,40, 70
lWeekly
salei (4): 30, 60,40,50, 60, 30, 70, 50, 60
(a)
Abtain the regression equalion o salu
en intelligence test score's of
(4) f the intilligence lest scóre of a
salesmas is 65, what would be his
eefectid weekly sales?
the salesman
e
85. From the giwen set
of
biuariale dala , the
fallowring resulls wire obtained,
E'= 53·2 and y = 27.9
Regression doefficint ģ y
-1•5
o * en y - - 0•2
of
Fand the most frobable value of y when
N =60• Also find the value of ř !
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