Find the Mean for the Given Sample Data $\begin{array} { l l l l l l } 9.0 & 8.9 & 6.9 & 8.6 & 8.2 & 9.0 \end{array}$

question 35

Multiple Choice

Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.
-Bill kept track of the number of hours he spent exercising each week. The results for four months are shown below. Find the mean number of hours Bill spent exercising per week.
$\begin{array} { l l l l l l } 9.0 & 8.9 & 6.9 & 8.6 & 8.2 & 9.0 \end{array}$
$\begin{array} { l l l l l l } 6.9 & 6.9 & 9.0 & 9.0 & 8.6 & 6.8 \end{array}$
$\begin{array} { l l l l l l } 8.8 & 8.9 & 8.9 & 8.8 & 8.2 & 6.9 \end{array}$

• A) \(8.2\)
• B) \(7.8\)
• C) \(8.7\)
• D) \(8.5\)

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Definitions:

Intrinsic Motivation

The internal desire to perform a task for its own sake because it is interesting or enjoyable, without relying on external rewards or pressures.

Prejudice

Preconceived opinion or bias against an individual or group without sufficient knowledge, thought, or reason.

Self-esteem

Someone's internal judgement of their own significance or value.

Cognitive Control

The ability of individuals to regulate their own cognitive processes, including their thoughts, attention, and emotions.