Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Give the formula for test statistic and p(type 1 error). 

Information from AAA indicates that the mean age of passenger cars in the US is 8.4 years. A sample of 40 cars in the student lots at the local university showed mean age to be 9.2 years. The standard deviation of this sample was 2.8 years. At the .01 significance level can we end the mean age is more than 8.4 years for the cars of university students?

1. What is the probability of a type I error?
2. Give the formula for the test statistic.

3. Work out the value of the test statistic
4. What is the critical value of the test statistic?

5. Compute the value of the test statistic.
6. What is your decision regarding the null hypothesis?
7. Interpret your decision from part e in a single sentence.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921734

Have any Question? 


Related Questions in Statistics and Probability

Please show the work to make it understandablea large

Please show the work to make it understandable A large company is interested in knowing whether there is any relationship between a person's age and that person's opinion about a new wage incentive plan. A random sample ...

Lazer incorporated purchased a delivery van for 29000 its

Lazer Incorporated purchased a delivery van for $29,000. Its useful life is estimated as 5 years, with a salvage value of $2,000. Using the sum-of-the-years' digits depreciation method, calculate the book value at the en ...

Consider a sealed-bid first-price auction with two buyers

Consider a sealed-bid first-price auction with two buyers whose private values are independent; the private value of buyer 1 has uniform distribution over the interval [0, 3], and the private value of buyer 2 has uniform ...

Assignmentfirst problem a test consists of 10 truefalse

Assignment First problem: A test consists of 10 true/false questions. To pass the test a student must answer at least 6 questions correctly. If a student guesses on each question, what is the probability that the student ...

Plot four different regression graphs x v y tomatometer v

Plot four different regression graphs (X v Y): Tomatometer v Audience, Budget v Gross, Budget v Tomatometer, Audience v Gross and find the best-fit line equation and correlation coefficient (r-value) for each one. X repr ...

A researcher conducted an experiment on the effects of a

A researcher conducted an experiment on the effects of a new "drug" depression. The researcher had a control group, and an experimental group that received nothing, a placebo group, and an experimental group that receive ...

1 why is it possible to consider anova as a special case of

1. Why is it possible to consider ANOVA as a special case of regression? 2. Give an example of when simultaneous, hierarchical, and stepwise multiple regression analyses might be used in research. 3. How is a log linear ...

The department of education would like to determine if

The Department of Education would like to determine if there are gender differences in the performance of twins on the state mandated mathematics examination. As a result, they have collected data on twelve sets of twins ...

For planning purposes the landfill in mountainview

For planning purposes. the landfill in Mountainview estimates the weight of plastic to b e1.7 pounds per household each week. You have noticed a lit of plastics in the garbage in your neighborhood and want to test the cl ...

An economist wants to estimate the mean per capita income

An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. He believes that the mean income is $23.8, and the standard deviation is known to be $8.9. How large of a sam ...

  • 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