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The Seasonal Output of a New Experimental Strain of Pepper

question 79

Multiple Choice

The seasonal output of a new experimental strain of pepper plants was carefully weighed. The
Mean weight per plant is 15.0 pounds, and the standard deviation of the normally distributed
Weights is 1.75 pounds. Of the 200 plants in the experiment, how many produced peppers weighing
Between 13 and 16 pounds?

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Definitions:

Confidence Interval

A spectrum of figures, taken from sample observations, possibly enclosing the value of an undetermined population characteristic.

Margin Of Error

An expression of the amount of random sampling error in a survey's results, indicating the confidence in the reliability of the results.

Sample Standard Deviations

A measure that quantifies the amount of variation or dispersion of a set of data values from its sample mean.

Equal Sample Sizes

A condition in statistical analysis where the number of observations in each group being compared is the same.