by ella | Feb 26, 2025 | Statistics
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...
by ella | Feb 26, 2025 | Statistics
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...
by ella | Feb 26, 2025 | Statistics
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...
by ella | Feb 26, 2025 | Statistics
1. You are in charge of selling advertising for radio station WQAA. The fee you can set for airtime is directly related to the share of the listening market your station reaches. From time to time, you conduct surveys to determine WQAA’s share of the market. This...
by ella | Feb 26, 2025 | Statistics
1. Using the Excel Analysis ToolPak function descriptive statistics, generate descriptive statistics for the salary data. Which variables does this function not work properly for, even though we have some excel generated results? grade 2. Sort the data by Gen or Gen 1...
by ella | Feb 26, 2025 | Statistics
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...