TI83 Stat 2 - Tech 3 INFERENCES with TI-83(prepared by...

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Tech 3: INFERENCES with TI-83 (prepared by Krystyna Karminska-Makagon and Andrzej Makagon) Confidence Intervals - press STAT and then select TESTS . 1. One Sample t-Interval A. If the data are given , first enter them in L1. B. Choose 8 for TInterval, and select "Inpt:DATA", List: L 1 and Freq: 1. C. Enter desired confidence level in decimals D. Scroll down to "Calculate" and press ENTER. E. If the sample mean and sample standard deviation are given , in step b. select "Inpt:Stats". F. Enter the sample mean and sample standard deviation, the sample size, and the confidence level. Scroll down to "Calculate" and press ENTER. 2. Two Sample t-Interval A. Press 0 for 2-SampTInt B. Select "Inpt:DATA" or "Inpt:Stats" as needed C. The data should either be entered in two lists (if "Inpt:DATA” is selected), or sample means, sample standard deviations, and sample sizes for the two samples should be given (if "Inpt:Stats" is chosen) D. Enter the confidence level. E.
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TI83 Stat 2 - Tech 3 INFERENCES with TI-83(prepared by...

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