Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1. Find out the critical value for the one-tailed hypothesis test in which a null hypothesis is tested at 5% level of significance based upon a sample size of 25?

2. A large department store analyzed a sample of 18 credit card sales and recorded amounts charged for each of three kinds of credit cards: MasterCard, Visa and Discover. Six MasterCard sales, seven Visa and five Discover sales were recorded. The store employed ANOVA to test if the mean sales for each credit card were equal. What are the degrees of the freedom for F statistic?

3. If the critical z-value for test statistic equals 2.45, find out the value of the test statistic would guarantee no chance of making Type I error?

4. What is our decision for goodness-of-fit test with the evaluated value of chi-square of 1.273 and critical value of 13.388?

5. A manufacturer wants to raise the absorption capacity of sponge. Based upon past data, the average sponge could absorb 3.5 ounces. After redesign, the absorption amounts of sample of sponges were (in ounces): 4.1, 3.7, 3.3, 3.5, 3.8, 3.9, 3.6, 3.8, 4.0, and 3.9. What is the decision rule at 0.01 level of significance to test if the new design raised the absorption amount of sponge?

6. Two chi-square distributions were plotted on same chart. One distribution was for three degrees of freedom and other was for 12 degrees of freedom. Which distribution would tend to approach the normal distribution?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921538

Have any Question? 


Related Questions in Statistics and Probability

Worldview analysis essayfor this assignment you will write

Worldview Analysis Essay For this assignment, you will write a 2-3-page essay (double-spaced, 1-inch margins) providing examples of how some facet of "process philosophy" has impacted American government and/or society. ...

Show by example that the random processnbspnbspmay be a

Show by example that the random process   may be a wide sense stationary process even though the random processes

Suppose a pair of random variablesnbsp xy uniformly

Suppose a pair of random variables  (X,Y) uniformly distributed over a rectangular region  Find the conditional PDF (X,Y) given the conditioning event   where the region is an arbitrary region completely contained within ...

A certain lti system has an inputoutput relationship given

A certain LTI system has an input/output relationship given by (a) Find the output autocorrelation  , in terms of the input autocorrelation,  (b) Find the output PSD  in terms of the input  (c) Does your answer to part ( ...

A study of nonfatal occupational injuries in the united

A study of nonfatal occupational injuries in the United States found that about 31% of all injuries in the service sector involved the back. The National Institute for Occupational Safety and Health (NIOSH) recommended c ...

Assignment bottling company case studyimagine you are a

Assignment: Bottling Company Case Study Imagine you are a manager at a major bottling company. Customers have begun to complain that the bottles of the brand of soda produced in your company contain less than the adverti ...

A study was conducted of pleas made by 10261 criminals

A study was conducted of pleas made by 1,0261 criminals. Among those criminals,953 pled guilty, and 396 of them were sentenced to prison. Among the 73 other criminals, who pled not guilty,52 were sent to prison. a. What ...

Sppose x is a poisson random variable with pmfnbspnbspk

Suppose X is a Poisson random variable with PMF,     k = 0,1,2...... Find the Chernoff bound for the tail probability

Questionnbspromia is a small closed economy that produces

Question:  Romia is a small, closed economy that produces pianos. Currently the domestic demand for pianos in Romia is given by the equation P = 2000 – 2Q while the domestic supply for pianos in Romia is given by the equ ...

Suppose we are allowed to observe a random process z t t at

Suppose we are allowed to observe a random process Z (t) t at two points in time, and t 0  and    Based on those observations we would like to estimateZ (t) at time where    We can view this as an interpolation problem. ...

  • 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