Question: The following summary statistics were obtained from a data set. Mean = 80.5; Median = 84.0; Standard Deviation = 10.5; Lower quartile = 75.5; Upper

The following summary statistics were obtained from a data set.

Mean = 80.5; Median = 84.0; Standard Deviation = 10.5; Lower quartile = 75.5;

Upper Quartile = 96.0

Approximately what percentage of the observations are

a. Below 96.0? b. Above 84.0? c. In the interval 59.5 to 101.5? d. In the interval 75.5 to 96.0? e. In the interval 49.0 to 112.0?

State which of your answers are based on the assumption of a bell-shaped distribution.

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