A Methods and Measurements Analyst for Digital Devices Needs to Develop

question 112

Multiple Choice

A methods and measurements analyst for Digital Devices needs to develop a time standard for the task of assembling a computer mouse. In a preliminary study, she observed one of her workers perform this task six times with the following results: $$\begin{array} { | l | c | c | c | c | c | c | } \hline \text { Observation } & 1 & 2 & 3 & 4 & 5 & 6 \\\hline \text { Time(Seconds) } & 46 & 38 & 40 & 34 & 42 & 40 \\\hline\end{array}$$ What is the standard time for this task if the employee worked at a 20 percent faster pace than average and an allowance of 25 percent of job time is used?

• A) 40 seconds
• B) 50 seconds
• C) 53.3 seconds
• D) 60 seconds
• E) 64 seconds

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Definitions:

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or a system without violating any constraining conditions.

Middle-Aged

Referring to the period in a person's life, often considered to be from about 45 to 65 years old.

Simple Linear Regression

A statistical technique that models the relationship between two variables by fitting a linear equation to observed data, with one independent variable explaining the variation in the dependent variable.

Multiple Linear Regression

An analytical approach in statistics that uses a linear equation to define how a dependent variable is related to two or more independent variables based on observed data.