About How Many Food Samples Are Tested by the Total

question 5

Multiple Choice

About how many food samples are tested by the Total Diet Study each year? 

• A) 300 
• B) 600 
• C) 3000 
• D) 6000 
• E) 36,000

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Definitions:

Confidence Interval

An interval of values, coming from sample-based data, likely to hold the value of an undetermined parameter of a population.

Standard Error

A statistical measure that represents the accuracy with which a sample distribution represents a population using the standard deviation.

P-value

The odds of getting results from a test that are as extreme as or exceed the extremity of the observed results, on the assumption that the null hypothesis is in effect.

Population Correlation

A measure of the strength and direction of association that exists between two variables measured across an entire population.