Include the title for the step in each of your problem solutions

( example:a. population, b. parameter, etc. )

a.population

b.parameter

c.null hypothesis and alternative hypothesis

d.data / statistics

e.validity check

f.distribution with critical value(s)

g.test statistic ( plot it on the diagram in step f. )

h.decision

i.conclusion

n industrial engineer conducted a study to determine if the number of defective items produced by workers in an assembly process is independent of the day of the week that the items were produced. The following data were obtained for a random sample of size 500: thday Tuesday Wednesday Thursday Friday Not defective 85 90 95 95 90 Defective 15 10 5 5 10 Test at the 0.05 level of significance to see of the number of defective items produced is independent of the day of the week that they were produced