MATH-202 TI-83/84 Plus Questions With Complete Solutions

Obtaining a random sample correct answer: 1. Enter any nonzero number (the seed) on the HOME screen 2. Press the STO=> button 3. Press the MATH button 4. Highlight the PRB menu and select 1: rand 5. From the HOME screen press ENTER 6. Press the MATH button 7. Highlight the PRB menu and select 5: RandInt ( 8. With the RandInt ( on the HOME screen enter 1,N where N is the population size Add the closing ) 9. Press ENTER 10. Continuing to press ENTER will give additional random numbrers Determine the Mean and Median correct answer: 1. Enter the raw data in L1 by pressing STAT and selecting 1: Edit; then enter data 2. Press STAT, highlight the CALC menu, and select 1: 1-Var Stats 3. With 1-Var Stats appearing on the HOME screen, press 2ND then 1 to insert L1 on the HOME screen and press ENTER. 4. Scroll down to Calculate and press ENTER Making Histograms with a TI-84 Plus & Manually Adjusting Classes correct answer: Using the TI-84 for the Mean and Standard Deviation of a Grouped Frequency Distribution correct answer: Using the TI-84 to construct a BoxPlot correct answer: 1. Enter raw data into L1 2. Press 2nd STAT PLOT and select 1: Plot 1 3. Turn the plots on. Use the cursor to highlight the modified boxplit icon 4. Press ZOOM and select 9: ZoomStat Linear Correlation Coefficient with the TI-84 correct answer: Least Squares Regression Line with TI-84 correct answer: Construct a Probability Histogram with the TI-84 correct answer: Construct a Probability Histogram with the TI-84 Example