The quantities that can be numerically measured can be plotted on a ________.

(a)

p - chart

(b)

c – chart

(c)

x bar chart

(d)

np – chart

How many causes of variation will affect the quality of a product?

(a)

4

(b)

3

(c)

2

(d)

1

Variations due to natural disorder is known as ________.

(a)

random cause

(b)

non-random cause

(c)

human cause

(d)

all of them

The assignable causes can occur due to ________.

(a)

poor raw materials

(b)

unskilled labour

(c)

faulty machines

(d)

all of them

A typical control charts consists of ________.

(a)

CL, UCL

(b)

CL, LCL

(c)

CL, LCL, UCL

(d)

UCL, LCL