A Worker Was Observed for Four Cycles of a Repetitive

question 26

Multiple Choice

A worker was observed for four cycles of a repetitive task.The observer used the continuous method for recording the times.The continuous times (in seconds) for each element are: Which one of the following are the "select times" ( ) for each element? The first number is the select time for the first element,the second number is the select time for the second element,and so on.

• A)19.5,23,25,30
• B)1.5,3.5,5,2
• C)2,3,2,5
• D)1.5,3.5,2,5

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Definitions:

Differences Between Groups

A concept in research that refers to the observable or measurable disparity in outcomes across separate groups.

Sum of Differences

The total sum calculated by subtracting each value in a dataset from a specific value (often the mean), used in various statistical computations.

Null Hypothesis

A hypothesis in statistics that proposes no significant difference or effect, serving as the default or starting assumption in hypothesis testing.

Dependent Samples

Pairs of samples where the members are matched or related, often used in experiments to compare two conditions or treatments.