Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Hypothesis testing for dependent samples using Paired t test.

A group of 20 sales associates agree to go during a week-long sales class to improve their productivity.  The amount of their sales is computed for one month before and one month after the training course. Run the paired t-test to find out if:

Is there evidence to propose that the training course helps out sales people?

Must we send the rest of our sales associates to the course?

 

Sales #

Before

After

1

$ 33,766.65

$ 37,483.57

2

$ 52,827.74

$ 37,871.17

3

$ 26,654.23

$ 22,036.40

4

$ 21,758.96

$ 28,712.85

5

$ 42,708.70

$ 33,083.67

6

$ 38,123.38

$ 25,527.58

7

$ 18,064.69

$ 25,912.90

8

$ 21,891.92

$ 25,658.53

9

$ 44,578.95

$ 33,012.29

10

$ 38,907.00

$ 51,140.65

11

$ 34,452.24

$ 26,601.97

12

$ 40,607.04

$ 41,688.33

13

$ 10,049.96

$ 48,257.45

14

$ 4,678.23

$ 5,017.87

15

$ 26,160.92

$ 24,297.28

16

$ 27,392.57

$ 39,360.24

17

$ 44,098.47

$ 57,434.46

18

$ 65,263.37

$ 52,551.86

19

$ 29,605.20

$ 24,895.86

20

$ 5,133.71

$ 10,617.06

 

 

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920088

Have any Question? 


Related Questions in Statistics and Probability

A committee comprised of 15 members is called upon to

A committee comprised of 15 members is called upon to choose the prettiest color: red, blue, or yellow. The committee members simultaneously announce their strict preference relations among these three colors. If red is ...

An economist wants to estimate the mean per capita income

An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. He believes that the mean income is $23.8, and the standard deviation is known to be $8.9. How large of a sam ...

An accounting professor is notorious for being stingy in

An accounting professor is notorious for being stingy in giving out good letter grades. In a large section of 140 students in the fall semester, she gave out only 5% As, 23% Bs, 42% Cs, and 30% Ds and Fs. Assuming that t ...

Corrections for phase 4in confidence interval calculations

CORRECTIONS FOR PHASE 4 In confidence interval calculations, sqrt(364) goes in the bottom for E; this has thrown off your intervals - too narrow; t should be negative in the hypothesis test, but your conclusion is correc ...

Locate the data set banksav and open it with spss follow

Locate the data set "Bank.sav" and open it with SPSS. Follow the steps in section 10.15 Learning Activity as written. Answer all of the questions in the activity based on your observations of the SPSS output. Type your a ...

In 4-5 paragraphs describe gender roles how they were

In 4-5 paragraphs describe gender roles (how they were influenced/changed) though out middle ages (with specific examples of people, years etc.)

1 a successive independent survey design and a longitudinal

1. A successive independent survey design and a longitudinal survey design both examine changes in responses over time. How do they differ in their approach? 2. Distinguish between demographic and epidemiological researc ...

Putting measurement to workthis exercise gives you the

Putting Measurement to Work This exercise gives you the opportunity to develop a measurement strategy of your own. 1. Identify an area of the social sciences you know something about (aging, marriage and the family, crim ...

Question a survey found that an american family generates

Question: A survey found that an American Family generates an average of 17.2 lb of glass garbage each year. Assume that the standard deviation of the distribution is 2.5 pounds. If a sample of 55 families is randomly se ...

Suppose that the probability that a new medication will

Suppose that the probability that a new medication will cause a bad side effect is 0.03. If this medication is given to 150 people, what is the probability that exactly three of them will experience a bad side effect? Pl ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen