# Knowledge Test 27

1. For correct data analysis representative sampling is recommended. This means
a) Only best pieces should be sampled
b) Only worst piece should be samples
c) Samples covering the overall population of interest should be sampled
d) None of the above

2. Five political parties are standing for election. An agency  has  conducted  an  opinion  poll  on  a sample basis and collected information on all the parties  regarding  “for”  or  “against” .  Which graphical representation would best depict all the above information in one graph ?
a) Radar Graph
b) The float graph
c) Pyramid Graph
d) Strata Graph

3. Which  one  of  the  following  charts  is  not  an attribute control chart  :
a) Number defective np chart
b) X-R Chart
c) Percentage defective chart
d) No. of defects c chart

4. What will be the angle for representing Rs.  4000/ as travelling expenses out of total expenditure of Rs. 80,000/- on a pie graph?
a)180
b) 160
c) 240
d) 320

5. For showing relative portion of the various components, which of the commonly used graphs that will be useful?

a) Pie Graph
b) Radar Graph
c) Pareto Diagram
d) Histogram
6. For showing relative improvement in various topicsof  PST  and  the  area  where  improvement  is required, which type of graph to be used  ?
a) Radar Graph
b) Graph
c) Brain storming
d) Stratification
7. In which tool/technique compound graph is used ?
a) Pareto Diagram
b) Graph
c) Brain storming
d) Stratification
8. In X-R Chart, the value of X = 79.972 gms. No. of observations are  25, average moving range R  =3.382, value of d2 = 1.128, What will be the value of standard deviation  ?
a) 3
b) 3.13
c) 3.133
d) 3.123
9. In X-R chart, the value of X = 72.972 gms. No. of observations are  25, average moving range R =3.384, value of d2  =  1.128, what will be the value of UCL ?
a) 81.972
b) 82.927
c) 83.972
d) 84.972
10. Alex Osborn has given the technique of
a) Graph
b) Brain storming
c) Stratification
d) Histogram