Is there evidence that population time to make and cook

Assignment Help Mathematics

Reference no: EM13472372

Although many people think they can put a meal on the table in a short period of time, an article reported that they end of spending about 40 minutes doing so. Suppose another study is conducted to test the validity of this statement. A sample of 25 people is selected, and the length of time to prepare and cook dinner (in minutes) is recorded with the following results in (Dinner): sample of 50 cans, and the mean amount of paint per 1-gallon can is 0.995 gallon.

44.0 51.9 49.7 40.0 55.5 33.0 43.4 41.3 45.2 40.7 41.1 49.1 30.9

45.2 55.3 52.1 55.1 38.8 43.1 39.2 58.6 49.8 43.2 47.9 46.6

a. Is there evidence that the population time to prepare and cook dinner is different from 40 minutes? Use the p-value approach and a level of significance of 0.05.

b. What assumption about the population distribution is needed in order to conduct the t test in (a)?

c. Make a list of the various ways you could evaluate the assumption noted in (b).

d. Evaluate the assumption in (b) and determine whether the t test in (a) is valid.

Reference no: EM13472372

Questions Cloud

When hiring new employees it is important that the : when hiring new employees it is important that the requirements for the position are those required to perform the

Frigid air company produces three different types of : frigid air company produces three different types of industrial refrigerators a b and c. the production capacity of the

Allenby spares inc is a shop that sells spare automotive : john is a country music songwriter who composes a song entitled busted rusted heart in which the melody is similar to

Communication requires to be clear concise and direct and : write a 100- to 200-word short-answer response to the followingcommunication needs to be clear concise and direct and

Is there evidence that population time to make and cook : although many people think they can put a meal on the table in a short period of time an article reported that they end

Which of the following actions taken by a company with : a minor can be obligated to pay the reasonable value for the purchase contract of which of the following?which of the

Wrongful termination of an employee is a frequent complaint : wrongful termination of an employee is a frequent complaint filed with the equal employment opportunity commission

George jerry and harry are passengers on a flight from : what are the two categories of government regulations that pertain to businesses?in a survey of the nonattainment

Do you agree that for police to take action their response : law enforcement officers are tasked with the responsibility of keeping citizens in their community safe from criminal

User Account

All Pages