Test Scores
the Scores on a Calculus Test for a Random

question 118

Essay

Test scores
The scores on a calculus test for a random sample of 40 students are as follows:
$$\begin{array} { l l l l l l l l l l } 63 & 74 & 42 & 65 & 51 & 54 & 36 & 56 & 68 & 57 \\62 & 64 & 76 & 67 & 79 & 61 & 81 & 77 & 59 & 38 \\84 & 68 & 71 & 94 & 71 & 86 & 69 & 75 & 91 & 55 \\48 & 82 & 83 & 54 & 79 & 62 & 68 & 58 & 41 & 47\end{array}$$
-{Test Grades Narrative} Construct a stem-and-leaf display for this data set.Describe the shape of the data.

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Definitions:

Three Mile Island

The location of the most significant accident in U.S. commercial nuclear power plant history, occurring in 1979, which initiated widespread changes in nuclear industry regulation and operational practices.

Productivity

A measure of the efficiency of production, often calculated as the ratio of output (goods and services) produced per unit of input (labor, materials, energy) used.

Workers' Wages

The compensation paid to employees for their labor or services, typically calculated on an hourly, daily, or piecework basis.

Wage Reductions

Actions taken by employers to decrease the amount of money paid to workers, often in response to economic pressure or to increase profitability.