Quantitative Techniques Unit 1

The graph of the normal distribution depends on

• mean and standard deviation

• harmonic mean and standard deviation

• harmonic mean

• standard deviation

While constructing frequency distribution, the number of classes used depends upon

• number of observation

• size of class

• range of data

• none of these

In pie- chart, the arrangement of the angles of the different sectors is  generally

• anti-clockwise

• arrayed

• clock-wise

• alternating

The process of drawing a sample from a population is known as (a)   .

A distribution is called (a)   distribution if it has two modes.