Which of the Following Is Not a Contributor to Cost

question 33

Multiple Choice

Which of the following is not a contributor to cost increases? 

• A) Materials prices. 
• B) Employee salary increases. 
• C) Employers' National Insurance contributions. 
• D) Customer warranties paid for by the customer.

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Definitions:

Null Hypothesis

A statement asserting there is no effect or no difference, which researchers attempt to disprove through statistical testing.

Alternative Hypothesis

A statement in hypothesis testing that proposes a significant difference or effect, contradicting the null hypothesis.

Statistical Evidence

Data and information gathered from statistical analyses that support or reject hypotheses, used to make conclusions or inferences about the characteristics of populations.

P-Value

The probability of obtaining test results at least as extreme as the results observed, assuming that the null hypothesis is correct.