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WorksheetsBusiness Statistics
Total questions: 20
Worksheet time: 47mins
"Averages are statistical constant which enable us to comprehend in a single effort the significance of the whole" this definition of Measures of central tendancy is given by
Kaplan
Ya Lun Chou
Bowley
Cowden
Arithmatic Mean In Individual series formula
∑ Fx /N
∑ Fx /N
∑ X/N
∑ Yn/N
Short cut method of Arithmatic mean under Discrete Series formula is
A+ Σ fd/N
fd/N
A+ Σ fd
Σ fd/N
Write the formula of Arithmatic Mean of Continious Series of short cut method

Write the weighted Arithmatic mean Formula

Combined mean formula

the value which divide the given data in four equal parts is known as
Quartile
Decile
percentile
median
27,31,19,35,23,16,40,46,17,37
Calculate Median from given the data
25
22
23
29
Calculate Quartiles from the given data
22,26,14,30,18,11,35,41,12,32
Q1=13.5
Q3 = 32.75
Q1 = 24.5
Q3 = 20.5
none
Quartiles formula in descret series is
Q1 = N+1/4
Q2 = N+1/4
Q1 = N+1/4
Q3 = 3(N+1)/4
none
Calculate Median from the following data
X 20 30 40 50 60 70 80
Y 5 6 10 20 15 6 4
Write the formula of Median in continious Series

Marks more than 0 10 20 30 40 50
No.of Students 50 46 40 20 10 3
Show the simple frequency
Write the formula of Mode in continious Series

Write Geometic mean formula

Harmonic Mean formula in discrete series
H.M = N/ Σ f x1/x
H.M = N/ 1/x
H.M = N/ Σ 1/x
H.M = N/ f x1/x
Inter Quartile Deviation = Q3-Q1
True
False
Co efficient of Quartile Deviation formula is
Write the formula for Mean Coefficient of Dispersion

What is the formula of Mean deviation in discrete Series

