by Belinder | Dec 16, 2021 | Statistics
Ball bearing manufacturing is a highly precise business in which minimal part variability is critical. Large variances in the size of the ball bearings cause bearing failure and rapid wear-out. Production standards call for a maximum variance of .0001 inches. Gerry...
by Belinder | Jul 13, 2021 | Statistics
If the absenteeism rates for a school district rise above 10%, the state reduces its aid to the school district. Stermerville Independent School District takes a sample of five schools within the district and finds the following absenteeism rates: 5.4%, 8.6%, 4.1%,...
by Belinder | Jun 18, 2021 | Statistics
In 2020, 33 stores were operated in small to medium-size metropolitan markets, standard errorsColorful Tile, Inc., is a rapidly growing chain of ceramic tile outlets that caters to the do-it-yourself home remodeling market. In 2020, 33 stores were operated in small to...
by Brian Leakey | Sep 24, 2020 | Statistics
PROMPT : In this discussion, you will apply the statistical concepts and techniques covered in this week’s reading about hypothesis testing for the difference between two population proportions. In the previous week’s discussion, you studied a manufacturing...
