Damage to homes caused by burst piping can be expensive to repair. By the time the leak is discovered, hundreds of gallons of water may have already flooded the home. Automatic shutoff valves can prevent extensive water damage from plumbing failures

The valves contain sensors that cut off water flow in the event of a leak, thereby preventing flooding. One important characteristic is the time (in milliseconds) required for the sensor to detect the water leak. Sample data obtained for four different shutoff valves are contained in the file entitled Waterflow.Produce the relevant ANOVA table and conduct a hypothesis test to determine if the mean detection time differs among the four shutoff valve models. Use a significance level of 0.05.A) The ANOVA produces a p-value of 0.033 < alpha = 0.05. Therefore, the null hypothesis is not rejected. There is not sufficient evidence to indicate that the mean detection time differs among the four shutoff valve models
B) The ANOVA produces a p-value of 0.033 < alpha = 0.05. Therefore, the null hypothesis is rejected. There is sufficient evidence to indicate that the mean detection time differs among the four shutoff valve models
C) The ANOVA produces a p-value of 0.000 < alpha = 0.05. Therefore, the null hypothesis is not rejected. There is not sufficient evidence to indicate that the mean detection time differs among the four shutoff valve models
D) The ANOVA produces a p-value of 0.000 < alpha = 0.05. Therefore, the null hypothesis is rejected. There is sufficient evidence to indicate that the mean detection time differs among the four shutoff valve models


D

Business

You might also like to view...

On the balance sheet, any account having a balance intended to be deducted from another related account balance for financial statement purposes is known as a(n)

a. expense account. b. discount account. c. contra account. d. uncollectible account.

Business

An enhancement is a form of reactive damage control strategy that focuses on the positive aspect of an event that occurs

Indicate whether the statement is true or false

Business

Anderson Corporation is considering an investment opportunity with the following expected net cash inflows: Year 1, $250,000; Year 2, $350,000; Year 3, $395,000. At the end of Year 3, the residual value of the investment would be $50,000. The company uses a discount rate of 12%, and the initial investment is $400,000. Calculate the NPV of the investment.

Business

In the employment interview, who should talk more?

A. manager B. candidate C. both manager and candidate should talk equally D. other interviewers in the room

Business