Sharp EL9900C EL-9900C - Page 155

Chapter 10 Statistics & Regression Calculations Note: The explanation of this chapter is based on the Advanced Keyboard. The following statistical and regression features are available: • Statistical calculations such as means and standard deviations • Graphing statistical data • Plotting regression curves • Statistical tests • Estimation • Obtaining coefficients from regressions • Distribution functions 1. Try it! The following table shows the access counts (per hour) of a certain web site from Sunday midnight to Monday midnight. Hours 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Sunday 98 72 55 3 6 24 15 30 59 72 55 43 21 10 150 151 135 108 204 253 232 251 75 30 Monday 32 8 12 2 4 19 32 72 95 91 123 201 184 108 95 72 45 38 75 111 153 90 84 35 Let's input these data into the calculator (List function) and plot a histogram. Opening the list table to enter data 1. Press S. The Stat menu will appear. 145