stats data bank

Quiz 2 Numerical descriptive statistics and sampling 1. The following marks are the test 1 marks for 10 randomly selected STA100 students: 67, 34, 98, 78, 76, 55, 80, 49, 91, 66. What is the mean mark for this sample? a. 69.1 b. 69.4 c. 62.2 d. 70.3 e. 71.5 2. The...

Statstics question

A recent study by Allstate Insurance Co. finds that 82% of teenagers have used cell phones while driving (The Wall Street Journal, May 5, 2010). In October 2010, Massachusetts enacted a law that forbids cell phone use by drivers under the age of 18. A policy analyst...

QUANTITATIVE REASONING

Karen wants to compare using the cost plus method to the percentage markup method. If she sells 2 small rice pads, 4 medium rice pads,2 large rice pads, and 20 boxes of $3.50 tea in a month, how much profit does she accumulate? What markup percentage based on...

Ashford bus 308 final paper Predictive Sales Report

Predictive Sales ReportA retail store has recently hired you as a consultant to advise on economic conditions. One important indicator that the retail store is concerned about is the unemployment rate. The retail store has found that an increase in the unemployment...