Stat 226D ---Introduction to Business Statistics I -- Spring 2008

Stat226 D     Notes     Reading     Homework     Quizzes     Handouts     Central Stat226

Solutions to in-class worksheets

Key to Mean/median/variance worksheet
Normal distribution worksheet
Correlation worksheet
Solutions for the regression worksheet
Central Limit Theorem worksheet (discussed in class, 3/5/08)
Worksheet on construction of confidence intervals and sample size calculations (discussed in class, 3/13/08) and solutions
Activity/worksheet on construction and interpretation of confidence intervals (discussed in class on 3/25/08) and solutions
Worksheet on construction of tests of significance (discussed in class, 4/1/08) and solutions
Worksheet on hypothesis testing (discussed in class, 4/3/08) and solutions
Worksheet on hypothesis testing with unknown standard deviation (discussed in class, 4/15/08) and solutions
Worksheet on confidence intervals for proportions (discussed in class, 4/24/08) and solutions
Worksheet on hypothesis testing for population proportions (discussed in class, 4/24/08) and solutions
Worksheet on inference for simple linear regression (discussed in class, 4/29/08) and solutions
Worksheet with practice problems (discussed in class, 5/1/08) and solutions