A Report in the Des Moines Register Presented on the Percentages

question 30

Essay

A report in the Des Moines Register presented on the percentages of students who
qualify for Free/Reduced lunch programs in the elementary schools in Des Moines,
Iowa. These data appear in the table below. $\begin{array}{|l|c|l|c|l|c|l|c|}\hline \text { School } & \% \text { F/R } & \text { School } & \% \text { F/R } & \text { School } & \% \text { F/R } & \text { School } & \text { \% F/R } \\\hline \text { Adams } & 64 & \text { Hanawalt } & 14 & \text { McKee } & 55 & \text { Phillips } & 27 \\\begin{array}{l}\text { Capitol } \\\text { View }\end{array} & 78 & \text { Hillis } & 35 & \text { McKinley } & 78 & \begin{array}{l}\text { Pleasant } \\\text { Hill }\end{array} & 17 \\\text { Cattell } & 55 & \text { Howe } & 49 & \text { Mitchell } & 64 & \begin{array}{l}\text { River } \\\text { Woods }\end{array} & 48 \\\text { Douglas } & 45 & \text { Hubbell } & 31 & \text { Monroe } & 52 & \text { Stowe } & 56 \\\text { Downtown } & 8 & \text { Jackson } & 60 & \text { Moore } & 42 & \text { Studebaker } & 30 \\\text { Edmunds } & 83 & \text { Jefferson } & 5 & \text { Morris } & 54 & \text { Wallace } & 80 \\\text { Findley } & 64 & \text { King } & 71 & \text { Moulton } & 88 & \text { Willard } & 82 \\\text { Garton } & 53 & \text { Longfellow } & 84 & \text { Oak Park } & 59 & \text { Windson } & 37 \\\text { Granger } & 52 & \text { Lovejoy } & 66 & \begin{array}{l}\text { Park } \\\text { Avenue }\end{array} & 38 & \text { Woodlawn } & 40\\\text { Greenwood } & 38 & \text { Madison } & 58 & \text { Perkins } & 54 & \text { Wright } & 29\\\hline\end{array}$ (a) Sketch a histogram for these data, using the following class intervals:
20 t
0 t $$\begin{array} { l } 0 \text { to } < 20 \\20 \text { to } < 40 \text {, etc. }\end{array}$$ (b) Describe the distribution of Free/Reduced eligibility percents, and note any
unusual features.

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Definitions:

Milgram Experiment

A psychological experiment conducted by Stanley Milgram in the 1960s to study obedience to authority, where participants were instructed to administer electric shocks to another person.

Stanford University Prison Experiment

A psychological study conducted by Philip Zimbardo in 1971 at Stanford University, where students were assigned roles of prisoners and guards to explore the effects of perceived power.

Generalization

Drawing a conclusion about a certain characteristic of a population based on a sample from it.

Logical Support

The provision of reasons or evidence to justify a claim or argument.