Question

1

When a buyer firm uses a single supplier for one particular part or service and another supplier with the same capabilities for a different part or service, it is said to be using sole sourcing.  

True

False

2

The Cpk statistic is more useful than the Cp statistic since it can better account for non-centered distributions.

True

False

3

Poisson distributions are useful to model any variables, positive or negative, as long as they are integer values.

True

False

Answer 1

Question 1. W

hen a buyer firm uses a single supplier for one particular part or service and another supplier with the same capabilities for a different part or service, it is said to be using sole sourcing.  

True

False

False, because a buyer firm uses a single supplier for one particular part and another supplier with the same capabilities for a different part or service, it is said to be cross sourcing.

Sole supplier refers to the single supplier where they purchase from particular or selected supplier, if they also have a alternative supplier.

Question 2.

The Cpk statistic is more useful than the Cp statistic since it can better account for non-centered distributions.

True

False

True, because the cpk is will be always greater or equal to the cp statistics. First importance is given to cpk and then cp statistics. These cpk and cp is called as process capability. Both is a stable process.

Question 3

Poisson distributions are useful to model any variables, positive or negative, as long as they are integer values.

True

False

Answer:

True, because Poisson distribution uses the the variables, it might be positive or negative.