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

If 2 of the calls received by schools switchboard are wrong

If 2% of the calls received by schools switchboard are wrong numbers. Find the probability that among 210 calls received by schools switchboard, 4 will be wrong numbers. a). Determine in this case whether the conditions ...

A committee comprised of 15 members is called upon to rank

A committee comprised of 15 members is called upon to rank three colors: red, blue, and yellow, from most preferred to least preferred. The committee members simultaneously announce their strict preference relations over ...

During a certain week the mean price of gas was 2709 per

During a certain week the mean price of gas was $2.709 per gallon. A random sample of 35 gas stations is drawn from this population. What is the probability that the mean price for the sample was $2.697 and $2.716 that w ...

The term critical value is often used to refer to the value

The term critical value is often used to refer to the value of a test statistic that determines statistical significance at some fixed α level for a test. For example,  + 1.96 are the critical values for a two-tailed z-t ...

Researchers investigated the issue of race and equality of

Researchers investigated the issue of race and equality of access to clinical trials. The table below shows the population distribution and the numbers of participants in clinical trials involving lung cancer. Race / eth ...

What three criteria must be met to establish that one

What three criteria must be met to establish that one variable causes changes in behavior? Which of these criteria are met by quasi-experimental designs? Which of these criteria are not met, and why?

1 what are quasi-experimental research designs and when are

1. What are quasi-experimental research designs, and when are they used in behavioral research? What advantages and disadvantages do they have in comparison to experimental research? 2. What are the most important threat ...

This course is designed to provide you with the knowledge

This course is designed to provide you with the knowledge and skills in application, evaluation, analysis, and interpretation of biostatistical data used to inform public health programs, policy, and practice. View the o ...

How could the federal government at the time of the gilded

How could the federal government at the time of the Gilded Age have reduced the economy's exposure to panics and recessions?

Regression analysiscalculate then explaininterpret the

Regression analysis Calculate then explain/interpret the following 14 tasks/tests using the dependent variable (labeled Y)(Sales) and the independent variables (labeled X1 (Calls), X2 (Time), and X3(Years)). Attached is ...

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

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