For this assignment you are required toanalyze the variable "number of hours ofsleep" (see table below). The data were obtained froma sample of 40 college students. Comment on the center, shape (including graphs), and spread of the distribution.

1. Manual component:Hand calculations (and interpretation) of the measures of central tendency (mean,median, and mode) and measures of dispersion (standard deviation,variance, and range). Use two decimal places for all calculations.Follow these steps, and also refer to manual calculations for the standard deviation

2. A manual (by hand) sketch of a graph (either a bar chart or histogram), with the axes labeled.

3. SPSS component (see data set below):Provide abrief (type-written) report. Please refer to example below. The report must includea table(with a title) andtwo graphs(a bar chart and a histogram, with the axes labeled) from the SPSS output.

Number of Hours of Sleep (per School night)

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