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Inference aplet
About the Inference aplet
Example data
The Inference capabilities include calculation of confidence
intervals and hypothesis tests based on the Normal
Z-distribution or Student’s t-distribution.
Based on the statistics from one or two samples, you can test
hypotheses and find confidence intervals for the following
quantities'.
mean
proportion
• difference between two means
• difference between two proportions
When you first access an input form for an Inference test, by
default the input form contains example data. This example
data is designed to return meaningful results that relate to the
test. It is useful for gaining an understanding of what the test
does, and for demonstrating the test. The calculator’s on-line
help provides a description of what the example data
represents.
Inference aplet
9-1
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