Problem regarding the effectiveness of the program

Assignment Help Basic Statistics

Reference no: EM13974988

1. In an attempt to measure the emotional effect of a proposed billboard ad, an advertising agency checks the pulse rate of 10 persons before and after they are shown a photograph of the billboard. The agency believes that an effective billboard will increase the pulse rate of those who view it. In its test, the agency found the mean change in pulse rate was 15.7 beats per minute, with a standard deviation of 1.6. Using the 0.01 level of sig- nificance, examine whether the billboard stimulus could meet the agency's criterion for effectiveness.

2. The students in an aerobics class have been weighed both before and after the 5-week class, with the following results:

Person Number	Weight Before	Weight After
1	198 lb	194 lb
2	154	151
3	124	126
4	110	104
5	127	123
6	162	155
7	141	129
8	180	165

Using the 0.05 level of significance, evaluate the effectiveness of the program. Using the appropriate statistical table, what is the most accurate statement we can make about the p-value for this test?

Reference no: EM13974988

Questions Cloud

Cash flows tell you about the company : What information is provided in the statements that will assist you in making these business decisions? What information is not provided that could assist in managerial decision making?

Interpret the p-value for the test : The reac- tion times (in seconds) before and after consuming four drinks are in data file XR11050. At the 0.005 level, has the program host made his point? Identify and interpret the p-value for the test.

What key concepts need to be considered : What sampling method would you use to address this population? What key concepts need to be considered if this questionnaire were conducted as a research project

Evaluate the processing of new applications at the ceupu : Calculate the time needed to process an individual application cycle time for the process and calculate the number of people involved in the processing of an application

Problem regarding the effectiveness of the program : Using the 0.05 level of significance, evaluate the effectiveness of the program. Using the appropriate statistical table, what is the most accurate statement we can make about the p-value for this test?

How does an economy achieve macroeconomic equilibrium : How does an economy achieve macroeconomic equilibrium? What affect does a high level of inflation have on macroeconomic equilibrium?

How do we understand the vector and scalar potentials : How do we understand the vector and scalar potentials in terms of virtual photons? Specifically, I mean curl-free magnetic vector and gradient-free electric scalar potential fields, where no electromagnetic waves or physical forces are present.

Example of independent samples or dependent samples : A university president randomly selects 10 tenured faculty from the College of Arts and Sciences and 10 ten- ured faculty from the College of Business. Each faculty member is then asked to rate his or her job satisfaction on a scale of 1 (very d..

Define what is meant by business risk. : Many CPA firms are taking a business risk approach to audits. Define what is meant by business risk. Provide an example of a business risk that could result in a risk of material misstatement of financial statements.

User Account

All Pages