On the Basis of Data Collected During an Experiment, a Biologist

question 98

Multiple Choice

On the basis of data collected during an experiment, a biologist found that the growth of the fruit fly (Drosophila) with a limited food supply could be approximated by the exponential model where t denotes the number of days since the beginning of the experiment. ​
How fast was the population changing on the 20th day?

• A) 18 flies/day
• B) 15 flies/day
• C) 14 flies/day
• D) 17 flies/day
• E) 16 flies/day

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Definitions:

Normally Distributed

Describes a distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values from the mean.

Skewed

Skewed describes a distribution that is asymmetrical, where its tail extends more on one side than the other, often used in statistical data analysis.

Standard Deviation

An indicator of the degree of difference or spread among a collection of numbers.