STT 315 calculator equations

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8 Terms

1
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what is normalcdf used for

power and type 1 error, sampling mean and sampling proportion

2
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what is invNorm used for

to find the z score

3
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what is invT used for

to find the t score

4
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what is 1-PropZTest used for

to find the hypotheses for a proportion

5
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what is 1-PropZInt used for

to find the confidence intervals for population proportion

6
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what is T-Test used for

to find hypotheses for a mean

7
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what is T-Interval used for

to find the confidence interval for population mean

8
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what is tcdf used for

to find the p value (used for curves like normalcdf when you have upper/ lower limits and df)