A Methods and Measurements Analyst for Digital Devices Needs to Develop

question 81

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 the workday is used?

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

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Definitions:

Pearson Correlation

A measure of the linear correlation between two variables, giving a value between -1 and 1 inclusive, where 1 is total positive linear correlation, 0 is no linear correlation, and -1 is total negative linear correlation.

Negative Number

A real number that is less than zero, indicating a lack of something or a decrease in a given value.

Pearson Correlation Coefficient

The Pearson Correlation Coefficient is a measure of the linear correlation between two variables, ranging from -1 to +1, where 1 means a perfect positive correlation and -1 means a perfect negative correlation.

Negative Numbers

Numbers less than zero, represented by a minus (-) sign.