# Ch 6A C-W - production in pounds Guernsey cows average 39...

This preview shows page 1. Sign up to view the full content.

Intro Stats – Classwork Chapter 6 A 1. Given data: 206 177 175 167 162 186 162 206 166 163 a) Compute the mean and the standard deviation (use calculator) b) Compute z-scores c) Compute the mean and the standard deviation of the z-scores Mean = Standard deviation s = Mean of z = Standard deviation of z = d) Make the dotplots of the data and their z-scores 2. Although most of us buy milk by the quart or gallon, farmers measure daily
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: production in pounds. Guernsey cows average 39 pounds of milk a day with a standard deviation of 8 pounds. For Jerseys the mean daily production is 43 pounds with a standard deviation of 5 pounds. When being shown at a state fair a champion Guernsey and a champion Jersey each gave 54 pounds of milk. Which cow’s milk production was more remarkable? Data z-scores 206 177 175 167 162 186 162 206 166 163...
View Full Document

## This note was uploaded on 07/25/2008 for the course STT 200 taught by Professor Dikong during the Summer '08 term at Michigan State University.

Ask a homework question - tutors are online