Part 2) TIME WASTED AT WORK?

An employment survey at a local small business was conducted to see how much time is wasted at work by employees during an 8-hour workday. Below are the results of a random sample of 10 employees employed at this small business who were asked to truthfully and anonymously record how much time in minutes is wasted in an 8-hour workday. The owner of the small business claims less than 115 minutes is wasted in an 8-hour workday. Does this data provide evidence to support the claim that employees waste less than 115 minutes in an 8-hour workdayat ?=.05?

108	112	117	130	111
131	113	113	105	128

1. Demonstrate this sample came from an approximately normal population by producing a graph. (Histogram, boxplot, dot plot or stem plot) Copy and paste your graph here.

1. A. Is this a test for a population proportion or a population mean?

B. What distribution is used to conduct this test?

C. Is this a left-tailed, right-tailed, or two-tailed test?

1. State AND verify all assumptions required for this test.

[HINT: This test should have two assumptions to be verified.]

1. State the null and alternate hypotheses for this test: (use correct symbols and format!)

Null hypothesis :