Interpret the p-value for the test

Assignment Help Basic Statistics

Reference no: EM13974991

1. For a special pre-New Year's Eve show, a radio station personality has invited a small panel of promi- nent local citizens to help demonstrate to listeners the adverse effect of alcohol on reaction time. 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.

2. A plant manager has collected productivity data for a sample of workers, intending to see whether there is a difference in the number of units they produce on Monday versus Thursday. The results (units produced) are in data file XR11051. Using the 0.01 level of signifi- cance, evaluate the null hypothesis that there is no dif- ference in worker productivity between the two days. Identify and interpret the p-value for the test, then con- struct and interpret the 99% confidence interval for the mean difference in productivity between the days.

Reference no: EM13974991

Questions Cloud

Calculate the equivalent capacitance between the points : Calculate the equivalent capacitance between the points α and β in Figure P26.72. Note that this is not a simple series or parallel combination.

Statistical abstract of the united states : During the course of a year, 38.0% of the 213 merchant ships lost were general cargo carriers, while 43.8% of the 219 ships lost during the following year were in this category.

Variety of information-seeking tasks : In examining the ability of users to complete a variety of information-seeking tasks on their mobile devices, Nielsen Norman Group assigned sample mem- bers to get the answers to a variety of questions like, "How many calories are there typically ..

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?

User Account

All Pages