16. Which of the following personality is not a quality guru? Select one: a. Cro

Question

16. Which of the following personality is not a quality guru?

Select one:

a. Crosby

b. W. Edwards deming

c. Kaoru ishikawa

d. Philip b joseph

17. What is the advantage of plotting stem-and-leaf plot over frequency histograms?

Select one:

a. helps in getting deviation from symmetry

b. helps in showing the outliers

c. helps in getting measure of tail length

d. Individual numerical values are retained

18. Random sample of 10 observations on the welding time (in min) of an operation gives the following values

                                  2.2 , 2.5, 1.8, 2.5, 2.1, 1.6, 1.9, 2.6, 1.8, 2.3                          

The interquartile range is given by

Select one:

a. 0.8min

b. 0.4min

c. 0.6min

d. 0.7 min

19. Which plot depicts the joints relationship of a dependent variable with two independent variables.

Select one:

a. Three dimensional scatter plot

b. Multivariable plot

c. Normal probability plots

d. Matrix plo

20. the poissons distribution is sometimes used as an approximation to binomial distribution when: [where n is no of sample size and p is probability of success rate.]

Select one:

a. n is small and p is large

b. n is large and p is small

c. n is small and p is small

d. n is large and p is large

Explanation / Answer

16.d Philip b Joseph is not a quality guru.

17.a.Helps in getting deviation from symmetry.

18.interquartile range can be found by first arranging in ascending order like 1.6 1.8 1.8 1.9 2.1 2.2 2.3 2.5 2.5 2.6  

Now median is 2.1 and lower median is 1.8 and upper median is 2.5 so interquartile range is 2.5 -1.8 = 0.7min Ans d.

19.b. multivariable plot

20.used when n is large and p is small Ans b.

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