The average time waster per week for 10 weeks was 41 hours

Reference no: EM13613617

personnel manager reads in a national newspaper that the average office worker wastes 4.5 hours per week by arriving late, socializing, conucting personal business, working slow, faking illness, taking long lunch hours, and sleeping on the job. By observing his officer staff, he obtains a random sample for a hypothesis test because he believes that his staff is different. The average time waster per week for 10 weeks was 4.1 hours with a standard deviation of 1.33 hours. If a hypothesis test was performed at the .01 level with an assumption of a normally distributed population, the test statistic and p-values are:

a) t-test = .95, p-value greater than .20

b) z-test = -3.01, p-value .0013

c) z-test = -3.01, p-value .0026

d) t-test = -.95, p-value greater than .20

e) t-test = -3.01, p-value between .01 and .02

Reference no: EM13613617

Questions Cloud

For a normal distribution find the z-score that cuts off : a for a normal distribution find the z-score that cuts off the bottom 63.66 of all the z-scores. round to 2 decimal

On average a textbook author makes two word processing : on average a textbook author makes two word processing errors per page on the first draft of her textbook. what is the

A large chain retailer purchases a certain kind of : a large chain retailer purchases a certain kind of electronic device from a manufacturer. the manufacturer indicates

Describe the characteristics of the f distribution provide : describe the characteristics of the f distribution. provide examples.what are we testing when we test for two

The average time waster per week for 10 weeks was 41 hours : personnel manager reads in a national newspaper that the average office worker wastes 4.5 hours per week by arriving

Eleven patients were weighed before and after a diet which : eleven patients were weighed before and after a diet which was designed to help patients reduce weight. eight of these

Air is expanded in a polytropic process with n 15 from 2 : air is expanded in a polytropic process with n 1.5 from 2 mpa and 300 degrees celcius to 80 kpa in a piston-cylinder

What is the theoretical mechanical advantage obtained by : 1 a barrel is rolled up an incline 20 ft along its length and 6 ft in vertical height by means of a rope that is

Create a seven by seven matrix with random numbbers between : create a seven by seven matrix with random numbbers between 1 and 70. outpput a vector of the difference between the

User Account

All Pages