For example, select (≠ 0) and then press ENTER. Step 4: Select the sign from your alternate hypothesis. For example, type L1 and L2 if you entered your data into list L1 and list L2 in Step 1. Experiments using Logger Pro-aided observation of single-slit diffraction patterns have been performed to determine coefficients of linear thermal expansion of metals. Step 3: Type in the name of your lists into the Xlist and Ylist. Step 2: Press STAT, scroll right to TESTS and then select E:LinRegTTest If you don’t know how to enter data into a list, see: TI-83 Scatter Plot.) If you plot this in a log-log figure, you get a straight line. Step 1: Enter your data into lists L1 and L2. This is indeed a fit of a power law, which can be described with the formula y k xtau. However, you can use the output to find it with a simple division. Note: The TI83 doesn’t find the SE of the regression slope directly the “s” reported on the output is the SE of the residuals, not the SE of the regression slope. Even if you think you know how to use the formula, it’s so time-consuming to work that you’ll waste about 20-30 minutes on one question if you try to do the calculations by hand! The TI-83 calculator is allowed in the test and it can help you find the standard error of regression slope. The equation looks a little ugly, but the secret is you won’t need to work the formula by hand on the test. SE of regression slope = s b 1 = sqrt / sqrt. Standard Error of Regression Slope Formula / TI-83 Instructions In fact, you’ll find the formula on the AP statistics formulas list given to you on the day of the exam. Standard error of regression slope is a term you’re likely to come across in AP Statistics.
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