Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

How to test whether the population mean TV "on" time has declined in the past decade.

It has been reported that entertainment behaviours in America are changing and people today are watching less television than in the past (traditional demarcated as programming delivered via broadcast, cable including fibre optic, and satellite). In its place numerous people are surfing the Internet for diversion as well as playing video games as well as watching DVDs.

Let's say in 1998 at least one television was turned on in the average American home 9 hours and 40 minutes per day. Below right is given instance data representing a random sample of households showing the number of minutes in a typical day at least one TV is turned on. Given this data use an suitable statistical test to show whether the population mean TV "on" time has declined in the past decade.

494

567

549

661

514

562

579

419

597

537

750

577

590

592

533

533

564

583

570

466

448

494

403

530

370

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M923497

Have any Question? 


Related Questions in Statistics and Probability

The mean salary offered to students who are graduating from

The mean salary offered to students who are graduating from Coastal State University this year is $24,230, with a standard deviation of $3678. A random sample of 85 Coastal State students graduating this year has been se ...

A discrete random process x n is generated by repeated

A discrete random process X [n] is generated by repeated tosses of a coin. Let the occurrence of a head be denoted by 1 and that of a tail by - 1. A new discrete random process is generated by   for n odd (either positiv ...

1 suppose that the distance of fly balls hit to the

1. Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 250 feet and a standard deviation of 50 feet. We randomly sample 49 fly balls. a. If X ¯ = average distan ...

Suppose the power line in the previous problem has an

Suppose the power line in the previous problem has an impulse response that may be approximated by  (a) What does the shot noise on the power line look like? Sketch a possible member function of the shot noise process. ( ...

1 there are just 3x 1027 it air molecules in an otherwise

1. There are just 3x 10 27 it air molecules in an otherwise empty room. Calculate (a) the average number that will be in the front third of the room at any time, (b) the standard deviation about this value, (c) the relat ...

1 a stock broker knows that the end-of-year balance x

1. A stock broker knows that the end-of-year balance X (percent of the January 1 balance) in the client,s account has a distribution with mean μ percent and standard deviation σ = 10. The broker collected a sample of 49 ...

A workstation is used until it fails and then it is sent

A workstation is used until it fails and then it is sent out for repair. The time between failures, or the length of time the workstation functions until it needs repair, is a random variable . Assume the times between f ...

Statistics for premasters fall 2015 assignment - basic

Statistics for Premasters, fall 2015 Assignment - Basic terms and exploring data Q1. For each of the following statements, indicate whether they are true or false, why, and explain with an example. a) An interval-scale i ...

Sppose x is a random variable whose n th moment is gn n

Suppose X is a random variable whose n th moment is gn , n = 1 2 3.............. In terms of the gn , find an expression for the m th moment of the random variable Y=aX +b for constants a and b.

A computer memory has the capability of storing words due

A computer memory has the capability of storing words. Due to outside forces, portions of the memory are often erased. Therefore, words are stored redundantly in various areas of the memory. If a particular word is store ...

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate