BUSINESS TOOLS

What is the formula for arithmetic mean in individual series?

• All of these

• Arithmetic mean

• Harmonic mean

• Median

• None of these

Antilog and log appears in the formulas of

• Combined mean

• Harmonic mean

• Geometric mean

• Mode

In which series of Mode has formula?

• Individual

• Discrete

• Continuous

• None of these

Range is obtained by

• L-S

• L+S

• L×S

• L/S

Q1-Q3/4 is the incorrect formula of Q.D . What is the correct formula?

• Q1-Q3/2

• Q1-Q3/Q1+Q3

• Q3-Q1/2

• None of these

To find _______ we use ×100 in formula

• Standard Deviation

• Quartile Deviation

• Co-efficient of variance

• Correlation

Median is the

• Average of all the observations

• Greatest frequency

• Midddlemost value

• Difference between largest and smallest value

Standard Deviation in discrete series =

• None of these

• Bowley’s s skewness

• Karl pearson’s co-efficient of correlation

• Spearmen’s Rank correlation

• Con-current deviation