Assignment:
Q1: For the following problems follow these steps
a state the hypotheses and identify the claim
b find the critical value(s)
c compute the test value
d make the decision
e summarize the results
Product sales distribution
Q2: A company owner wishes to determine whether the number of sales of a product is equally distributed over five regions. A month is selected at random, and the number of sales is recorded. The data are as shown here. At α = 0.05, can the owner conclude that the number of items sold in each region is the same?
Region Sales
NE 236
SE 324
MW 182
NW 221
SW 365
Anger control
Q3: A researcher surveyed 50 randomly selected subjects in four cities and asked if they felt their anger was the most difficult thing to control. The results are shown here
At α = 0.10, is there enough evidence to reject the claim that the proportion of those who felt this way in each city is the same?
city A city B city C city D
yes 12 15 10 21
38 35 40 29
no
total 50 50 50 50