Stats excel hw 3 - 31.4285714 st dev 5.60611911 25 profit of comps x f fx f(x-mean)^2 8.6 to 12.5 15 10.55 15 158.25 381.024 12.6 to 16.5 20 14.55

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

View Full Document Right Arrow Icon
Christian Yimgnia Computer Assignment 3 22) age range of individuals x f fx f(x-mean)^2 1 to 10 34 5.5 34 187 3838.28125 11 to 20 18 15.5 18 279 7.03125 21 to 30 17 25.5 17 433.5 1494.140625 31 and over 11 35.5 11 390.5 4129.296875 80 1290 9468.75 mean 16.125 variance 3156.25 st dev 56.1805126 24) hrs of sleep frequency fx f(x-mean)^2 3.5 2 7 38.72 4.5 2 9 23.12 5.5 4 22 23.04 6.5 22 143 43.12 7.5 64 480 10.24 8.5 90 765 32.4 9.5 14 133 35.84 10.5 2 21 13.52 200 1580 220 mean 7.9 variance
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 31.4285714 st dev 5.60611911 25) profit # of comps x f fx f(x-mean)^2 8.6 to 12.5 15 10.55 15 158.25 381.024 12.6 to 16.5 20 14.55 20 291 21.632 16.6 to 20.5 5 18.55 5 92.75 43.808 20.6 to 24.5 7 22.55 7 157.85 339.0912 24.6 to 28.5 3 26.55 3 79.65 360.3648 50 779.5 1145.92 mean 15.59 variance 286.48 st dev 16.9257201...
View Full Document

This note was uploaded on 02/11/2012 for the course STAT 100 taught by Professor Brent during the Spring '11 term at University of Minnesota Duluth.

Ask a homework question - tutors are online