Question 1

If a dataset is normally distributed, which of the following is true about its skewness?

Options :

A : The skewness can be any value, as it is independent of the distribution type.

B : The distribution has a skewness of zero.

C : The distribution is negatively skewed.

D : The distribution is positively skewed.

Answer: B

Question 2

Which view in orthographic projection is also known as the plan view?

Options :

A : Top view

B : Bottom view

C : Front view

D : Side view

Answer: A

Question 3

In statistics, a 'population' refers to:

Options :

A : A process used to monitor and control a process.

B : The entire group of items or data points of interest in a study.

C : A subgroup of data points selected from a larger group for analysis.

D : The average value of a data set.

Answer: B

Question 4

The primary goal of implementing Poka-Yoke in a process is to:

Options :

A : Enhance the skills and training of the workforce.

B : Achieve zero defects by preventing errors.

C : Eliminate the need for quality inspections.

D : Increase the speed of the production process.

Answer: B

Question 5

If a marble is drawn at random from a bowl containing 5 identical red marbles and 5 identical blue marbles, what is the probability that the marble drawn is blue?

Options :

A : 1/2

B : 1/10

C : 1/5

D : 2/5

Answer: A

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