Stat 5021 — Statistical Analysis
Spring 2002
h2 class="title"> Solution set for assignment 15 is in the library,This assignment will not be corrected and will be used as an extra practice to learn chapter 12!!!!
her are solutions to the quiz:
2.
a)false,expected value is computed exactly,chance error is in the sample percentages.
b)true,c)False,CIs are for the parameters not the samples!,
3.
a)T,b)T,c)T,d)False,the sample percentage is 53%,you do not need a CI for it!
4.
a)T,b)F the sample percentage is known and in the interval. c)False,the population percentage is either in the interval or not,no chance involved.
5.
False,SE measures the likely size of the difference between pop perctge and sample percentage,not two sample percentage!
6.
True,probabilities are usedwhen reasoning forward from pop to sample Conf levels from sample to pop(backward)
©2002,Siamak Noorbaloochi, School of Statistics, University of
Minnesota