TI-84 Calculator Instructions Adapted from: The Practice ...

TI-84 Calculator Instructions

Adapted from: The Practice of Statistics 4e by Starnes, Yates, and Moore

HISTOGRAMS ON THE CALCULATOR

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MAKING CALCULATOR BOXPLOTS

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COMPUTING NUMERICAL SUMMARIES WITH TECHNOLOGY

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THE STANDARD NORMAL CURVE

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FROM Z-SCORES TO AREAS, AND VICE VERSA

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NORMAL PROBABILITY PLOTS

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SCATTERPLOTS ON THE CALCULATOR

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LEAST-SQUARES REGRESSION LINES ON THE CALCULATOR

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RESIDUAL PLOTS AND S ON THE CALCULATOR

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ANALYZING RANDOM VARIABLES ON THE CALCULATOR

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SIMULATING WITH RANDNORM

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BINOMIAL COEFFICIENTS ON THE CALCULATOR

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BINOMIAL PROBABILITY ON THE CALCULATOR

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GEOMETRIC PROBABILITY ON THE CALCULATOR

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CONFIDENCE INTERVAL FOR A POPULATION PROPORTION

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INVERSE T ON THE CALCULATOR

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ONE-SAMPLE T INTERVALS FOR ON THE CALCULATOR

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ONE-PROPORTION Z TEST ON THE CALCULATOR

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COMPUTING P-VALUES FROM T DISTRIBUTIONS ON THE CALCULATOR

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ONE-SAMPLE T TEST ON THE CALCULATOR

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CONFIDENCE INTERVAL FOR A DIFFERENCE IN PROPORTIONS

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SIGNIFICANCE TEST FOR A DIFFERENCE IN PROPORTIONS

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TWO-SAMPLE T INTERVALS ON THE CALCULATOR

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TWO-SAMPLE T TESTS WITH COMPUTER SOFTWARE AND CALCULATORS

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FINDING P-VALUES FOR CHI-SQUARE TESTS ON THE CALCULATOR

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CHI-SQUARE GOODNESS-OF-FIT TEST ON THE CALCULATOR

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CHI-SQUARE TESTS FOR TWO-WAY TABLES ON THE CALCULATOR

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REGRESSION INFERENCE ON THE CALCULATOR

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TRANSFORMING TO ACHIEVE LINEARITY ON THE CALCULATOR

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Histograms on the Calculator

You can construct histograms using your TI-84. We will use the following example to illustrate the process: What percent of your home state's residents were born outside the United States? The country as a whole has 12.5% foreign-born residents, but the states vary from 1.2% in West Virginia to 27.2% in California. The table below presents the data for all 50 states.

1. Enter the data for the percent of state residents born outside the United States in your Statistics/List Editor.

? Press STAT and choose 1: Edit... ? Type the values into list L1.

2. Set up a histogram in the Statistics Plots menu. ? Press 2nd Y= (STAT PLOT). ? Press ENTER or 1 to go into Plot1

3. Use ZoomStat to let the calculator choose classes and make a histogram.

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? Press ZOOM and choose 9:ZoomStat. ? Press TRACE and the left and right arrow keys to examine the classes.

4. Adjust the classes to match those in the below figure:

then graph the histogram. ? Press WINDOW and enter the values shown. ? Press GRAPH ? Press TRACE and the left and right arrow keys to examine the classes.

5. See if you can match the histogram below: 5

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