Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Formulating null and alternative hypothesis to test the claim that means weight of the athletic men is less than the population mean weights of non athletic men.

The following data represent weights (in pounds) for two random samples of men of about 5 feet 10 inches tall and of medium build.  The only difference is that the first group is comprised of athletic persons and the second of non-athletic ones. 

Athletic men:  152, 148, 156, 155, 157, 162, 159, 168, 150, 173.

Non-athletic men:  155, 157, 169, 170, 171, 161, 181, 165, 183.   
Can we conclude at the 5 percent significance level that the population mean weight of athletic men is lower than the population mean weight of non-athletic men?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921047

Have any Question? 


Related Questions in Statistics and Probability

Thread viewnow that you are familiar with the basic

Thread View Now that you are familiar with the basic concepts of statistics, what are some examples of when you have seen or heard statistics used inappropriately?

Supposenbsp xknbspis a sequence of zero-mean gaussian

Suppose  X k  is a sequence of zero-mean Gaussian random variables with covariances described by   Form the sequence of sample means Note that in this case we are forming the sequence of sample means of dependent random ...

Six distinct numbers are randomly distributed to players

Six distinct numbers are randomly distributed to players numbered 1 through 6. Whenever two players compare their numbers, the one with the higher one is declared the winner. Initially, players 1 and 2 compare their numb ...

A uniform random variable has a pdf given bynbspfxxux-ux-1a

A uniform random variable has a PDF given by fx(x)=u(x)-u(x-1) (a) Find the mean and variance of X. (b) Find the conditional mean and the conditional variance given that

Letnbspnbspbe a sequence of iid zero-mean gaussian random

Let   be a sequence of IID zero-mean Gaussian random variables with variance   a) Write a MATLAB program to generate the process (b) Estimate the mean function of this process by generating a large number of realizations ...

Two players compete against each other in a game of chance

Two players compete against each other in a game of chance where Player A wins with probability 1/3 and Player B wins with probability 2/3. Every time Player A loses he must pay Player B $1, while every time Player B los ...

A differences in age between husbands and wifes husband

a. Differences in age between husbands and wifes ( husband age minus wife age) of married couples have a distribution that approximately follows the normal curve with a mean of 1.5 years and a std of 2.1 years. negative ...

Question 1describe a recent gallup poll be sure to include

Question 1 Describe a recent Gallup poll. Be sure to include the results of the poll, how the poll was conducted, and what the results will be used for. Question 2 Describe a recent study where data was gathered. If poss ...

Construct a signal plus noise random sequence using 10

Construct a signal plus noise random sequence using 10 samples of the following: Where   is a sequence of zero-mean, unit variance, IID Gaussian random variables,   s the time between samples of the process. (a) Calculat ...

Suppose we are interested in finding the left tail

Suppose we are interested in finding the left tail probability for a random variable, X . That is, we want to find     Rederive an expression for the Chernoff bound for the left tail probability.

  • 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