Deck 5: Statistics and Quality Control

Question 1

While computing F ratio, customarily, the larger variance is taken as .....................

A)Denominator
B)Numerator
C)Either way
D)None of these

Answer 1

Numerator

Question 2

Chi-square test was first used by ...............................

A)R A Fisher
B)William Gosset
C)James Bernoulli
D)Karl Pearson

Answer 2

Karl Pearson

Question 3

The Chi-squre quantity ranges from ........................ to ...........................

A)- 1 to + 1
B)- ? to ?
C)0 to ?
D)0 to 1

Answer 3

0 to ?

Question 4

Degrees of freedom for Chi-squre test in case of contingency table of order (2x²) is:

A)4
B)3
C)2
D)1

Question 5

Degrees of freedom for Chi-squre test in case of contingency table of order (4x3) is:

A)4
B)3
C)6
D)7

Question 6

Degrees of freedom for Chi-squre test in case of contingency table of order (5x5) is:

A)25
B)16
C)10
D)Infinity

Question 7

The magnitude of the difference between observed frequencies and expected frequencies is called .......................

A)F value
B)Z value
C)t value
D)Chi-square value

Question 8

When the expected frequencies and observed frequencies completely coincide, the chi- square value will be ..............................

A)+ 1
B)- 1
C)0
D)None of these

Question 9

If the discrepancy between observed and expected frequencies are greater, ......................... will be the chi-square value.

A)Greater
B)Smaller
C)Zero
D)None of these

Question 10

Calculated value of chi-square is always........................

A)Positive
B)Negative
C)Zero
D)None of these

Question 11

While applying chi-square test, the frequency in any cell should not be ......................

A)More than 5
B)Less than 5
C)More than 10
D)Less than 10

Question 12

Analysis of variance utilises..................

A)F test
B)Chi square test
C)Z test
D)t test

Question 13

In one way ANOVA, the variances are:

A)Within samples
B)Between samples
C)Total
D)All

Question 14

The technique of analysis of variance was developed by .............................

A)Frank Wilcoxon
B)Karl Pearson
C)R A Fisher
D)Kolmogrov

Question 15

Non-parametric test is :

A)Distribution free test
B)Not concerned with parameter
C)Does not depend on the particular form of the distribution
D)None of these

Question 16

.........................tests follow assumptions about population parameters.

A)Parametric
B)Non-parametric
C)One-tailed
D)Two-tailed

Question 17

........................is the simplest and most widely used non-parametric test

A)Sign test
B)K-S test
C)Chi-square tst
D)Wilcoxon matched paired test

Question 18

Runs test was designed by .............................

A)Kruskal and Wallis
B)Kolmogrov and Smirnov
C)Wald wolfowitz
D)Karl Pearson

Question 19

Which one of the following is a non-parametric test?

A)F test
B)Z test
C)t test
D)Wilcoxon test

Question 20

Control charts are also termed as...............................

A)Shewart charts
B)Process behaviour chart
C)Both a and b
D)None of these

Question 21

What type of chart will be used to plot the number of defective in the output of any process?

A)x? chart
B)R chart
C)C chart
D)P chart

Question 22

Process control is carried out:

A)Before production
B)During production
C)After production
D)All of the above

Question 23

The dividing lines between random and non-random deviations from mean of the distribution are known as ..........................

A)Upper Control Limit
B)Lower Control Limit
C)Control Limits
D)Two sigma limit

Question 24

The control charts used to monitor variable is...........................

A)Range chart
B)P-chart
C)C-chart
D)All of the above

Question 25

The control charts used to monitor attributes is............................

A)Range chart
B)P-chart
C)C-chart
D)All of the above