A Town's Average Snowfall Is 45 Cm Per Year with a Standard

question 107

Multiple Choice

A town's average snowfall is 45 cm per year with a standard deviation of 9 cm.Using a Normal model,what values should border the middle 68% of the model?

• A)49.5 cm and 40.5 cm
• B)45 cm and 41.94 cm
• C)54 cm and 36 cm
• D)63 cm and 27 cm
• E)46.8 cm and 43.2 cm

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Definitions:

Raw Score

The original, unadjusted score obtained in a measurement or test.

Z-scores

Standardized scores that indicate how many standard deviations an element is from the mean of its distribution.

Shaded Area

In graphical representations, a portion of the graph that is marked off or colored differently to highlight a particular region or to denote a statistical significance.

Distribution

Describes the way values in a dataset are spread or dispersed across the range of possible values.