Random Samples of Tuesday and Friday Withdrawals from a College-Campus

question 17

Essay

Random samples of Tuesday and Friday withdrawals from a college-campus ATM were compared to see whether or not there was a difference in the means. The results shown below are from MegaStat. Analyze these results thoroughly.
Hypothesis Test: Independent Groups (t-test, unequal variance)

$\begin{array}{|r|r|r|}\hline Friday & Tuesday\\\hline 82.40 & 41.00 &mean\\\hline 75.35 & 35.53&std. dev. \\\hline 25 & 20 & n\\\hline\end{array}$

$35$$\quad$$\quad$$\quad$ df
$41.400$ $\quad$ difference (Friday - Tuesday)
$17.035$ $\quad$ standard error of difference
0 $\quad$$\quad$$\quad$ hypothesized difference
$2.430$$\quad$$\quad$ t
$.0204$$\quad$ p-value (two-tailed)

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Definitions:

Self-Esteem

A person's overall sense of personal value or worth.

Internal Locus

An individual's belief that they have control over their life events and outcomes, as opposed to external forces having that control.

External Locus

Refers to an external locus of control, where individuals believe their success or failure is due to external factors beyond their control.

High Self-Esteem

A confident and positive perception of oneself, marked by self-respect and self-worth.