Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

F i n d space t h e space c o e f f i c i e n t space o f space v a r i a t i o n space f o r space t h e space p r o b a b i l i t y space d i s t r i b u t i o n space o f space g e t t i n g t h e space n u m b e r space o f space h e a d s space i s space 2 space t o s s e s space o f space a space f a i r space c o i n. Please provide solution to this question
Asked by Topperlearning User | 19 Nov, 2016, 04:05: AM
answered-by-expert Expert Answer

L e t space X space d e n o t e space t h e space n u m b e r space o f space h e a d s S a m p l e space s p a c e equals left curly bracket H H comma H T comma T H comma T T right curly bracket X space space space space space colon space 0 space space space space space 1 space space space space space space 2 P left parenthesis X right parenthesis colon 1 fourth space space space 2 over 4 space space space 1 fourth M e a n equals sum for i of X subscript i P left parenthesis X subscript i right parenthesis equals 0.1 fourth plus 1.2 over 4 plus 2.1 fourth equals 1 sigma equals square root of sum for i of X squared subscript i P left parenthesis X subscript i right parenthesis minus m e a n squared end root equals square root of 0.1 fourth plus 1.2 over 4 plus 4.1 fourth minus 1 end root equals fraction numerator 1 over denominator square root of 2 end fraction C. V equals fraction numerator sigma over denominator m e a n end fraction equals fraction numerator 1 over denominator square root of 2 end fraction equals 0.707 space o r space 70.7 percent sign

Answered by | 19 Nov, 2016, 06:05: AM
Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Maths
Find the co efficient of variation of 24,26,33,37,29,31
Asked by akileshpro37 | 18 Dec, 2022, 08:37: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
C a l c u l a t e space t h e space c o e f f i c i e n t space o f space v a r i a t i o n space f o r space t h e space f o l l o w i n g space d a t a colon 100 space comma space 150 space comma space 200 space comma space 250 space comma space 360 space comma space 490 space comma space 500 space comma space 600 Please provide solution to this question Please provide solution to this question
Asked by Topperlearning User | 19 Nov, 2016, 02:05: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
C a l c u l a t e space t h e space c o e f f i c i e n t space o f space v a r i a t i o n space f o r space t h e space f o l l o w i n g space d a t a colon x colon 20 space space 22 space space 25 space space 31 space space 35 space space 40 space space 42 space space 45 f colon space space space 5 space space 12 space space 15 space space 20 space space 25 space space 14 space space 10 space space space 6 Please provide solution to this question Please provide solution to this question
Asked by Topperlearning User | 19 Nov, 2016, 02:21: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
M a r k s space o b t a i n e d space b y space 5 space s t u d e n t s space a r e space a s space f o l l o w s colon 95 space comma space 80 space comma space 85 space comma space 92 space comma space 100 F i n d space t h e space c o e f f i c i e n t space o f space v a r i a t i o n.Please provide solution to this question Please provide solution to this question
Asked by Topperlearning User | 19 Nov, 2016, 02:29: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
C a l c u l a t e space t h e space c o e f f i c i e n t space o f space v a r i a t i o n space f o r space t h e space f o l l o w i n g space d a t a colon Age 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No of persons 20 25 32 40 42 35 10 8
Asked by Topperlearning User | 19 Nov, 2016, 02:51: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
T h e space c o e f f i c i e n t space o f space v a r i a t i o n space o f space 2 space d a t a space s e t s space a r e space C subscript 1 space a n d space C subscript 2 space r e s p e c t i v e l y. I f space i n space t h e space f i r s t space d a t a space s e t space e a c h space v a l u e space i s space i n c r e a s e d space b y space 2 sigma subscript 1 space a n d space i n space t h e space s e c o n d d a t a space s e t space e a c h space v a l u e space i s space d e c r e a s e d space b y space 2 sigma subscript 2 space t h e n space f i n d space t h e space n e w space c o e f f i c i e n t space o f space v a r i a t i o n s f o r space t h e space d a t a space s e t s. left parenthesis sigma subscript 1 space a n d space sigma subscript 2 space a r e space t h e space s tan d a r d space d e v i a t i o n s space o f space t h e space d a t a space s e t s right parenthesis Please provide solution to this question
Asked by Topperlearning User | 19 Nov, 2016, 03:10: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
F i n d space t h e space c o e f f i c i e n t space o f space v a r i a t i o n space o f space f i r s t space n space n a t u r a l space n u m b e r s. Please provide solution to this question
Asked by Topperlearning User | 19 Nov, 2016, 03:21: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
S u m space o f space 10 space n u m b e r s space i s space 80 space a n d space s u m space o f space t h e i r space s q u a r e s space i s space 650. F i n d space t h e space c o e f f i c i e n t space o f space v a r i a t i o n Please provide solution to this question
Asked by Topperlearning User | 19 Nov, 2016, 03:30: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
F i n d space t h e space c o e f f i c i e n t space o f space v a r i a t i o n space f o r space t h e space f o l l o w i n g space d a t a colon Height(in feet) 2-3 3-4 4-5 5-6 6-7 7-8 No of persons 2 4 12 10 3 1
Asked by Topperlearning User | 19 Nov, 2016, 03:45: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
T h e space m e a n space a n d space v a r i a n c e space o f space a space d a t a space s e t space i s space 5 space a n d space 20.52 space r e s p e c t i v e l y. F i n d space t h e space c o e f f i c i e n t o f space v a r i a t i o n. Please provide solution to this question
Asked by Topperlearning User | 19 Nov, 2016, 03:55: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×