Listed below are the commissions earned ($000) last year by a sample of 15 sales representatives at Furniture Patch Inc. $4.1 $5.9 $7.5 $10.8 $12.2 $13.6 $14.3 $16.6 $17.2
$17.4 $17.8 $22.3 $35.9 $43.2 $79.5
1. Determine the mean, median, and the standard deviation.
2. Determine the coefficient of skewness using Pearson

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?