A Foreman Wants to Use An $\overline { \mathrm { X } }$

question 51

Multiple Choice

A foreman wants to use an $\overline { \mathrm { X } }$
Chart to control the average length of the bolts manufactured.He has recently collected the six samples given below. $$\begin{array} { c c c c c } \text { Sample } & & & & \\1 & 1.99 & 2.01 & 2.02 & 2.02 \\2 & 2.00 & 2.00 & 2.01 & 2.01 \\3 & 1.98 & 1.99 & 2.01 & 1.98 \\4 & 2.01 & 2.02 & 2.02 & 1.99 \\5 & 1.99 & 1.99 & 2.01 & 1.99 \\6 & 2.03 & 1.98 & 2.03 & 2.04\end{array}$$
Calculate the mean of the means $\overline { \overline X }$
)

• A)2.010
• B)2.406
• C)2.000
• D)2.005

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Definitions:

Self-Handicapping Strategy

A cognitive strategy where individuals create obstacles or excuses to avoid self-blame in case of failure.

Tested

The past participle of test, meaning examined, evaluated, or investigated to assess quality, performance, or reliability.

Attitude

A settled way of thinking or feeling about something, often reflected in a person's behavior.

Self-Fulfilling Prophecy

An anticipation that, by directly or indirectly influencing behaviors and beliefs through a positive feedback cycle, ensures its own realization.