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Determine which of the following statements is descriptive in nature and which is inferential. Refer to the data below in How Old is My Fish?
How Old is My Fish |
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Average age by length of largemouth bass in new York State |
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Length |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
Age |
2 |
3 |
3 |
4 |
4 |
5 |
5 |
a. All 9-inch largemouth bass in New York State are an average of 3 years old - Descriptive
b. Of the largemouth bass used in the sample to make up the NYS DEC Freshwater Fishing Guide, the average age of 9-inch largemouth bass was 3 years - Inferential
In your answer also describe and explain the difference between descriptive statistics and inferential statistics –
Inferential statistics pertain to the procedures used to make forecasts, estimates, or judgments about a large set of data on the basis of the statistical characteristics of a smaller set. Descriptive statistics are used to summarize the important characteristics of large data sets and consolidate a mass of numerical data into useful information.
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