Business Statistics

"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

Short cut method of Arithmatic mean under Discrete Series formula is

•  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