Title: QNT 275T Believe Possibilities--tutorialrank.com - PowerPoint PPT Presentation

Description: For more course tutorials visit www.tutorialrank.com 1. In a hearing test, subjects estimate the loudness (in decibels) of a sound, and the results are: 69, 67, 71, 72, 65, 75, 68, 68, 83, 73, 68. Calculate the measures of central tendency (Mean, median, mode) and the measures of dispersion (range, standard deviation, variance). 2. The local amusement park was interested in the average wait time at their most popular roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line between 2 and 3 p.m. Each was given a stopwatch to record the time they spent in line. The times recorded were as follows (in minutes). 117, 123, 110, 117, 99, 120, 148, 118, 119, 120, 45, 130, 118 – PowerPoint PPT presentation