From the data bank select a random sample of 30 individuals

Assignment Help Basic Statistics
Reference no: EM13636064

From the data bank, select a random sample of 30 individuals.

a. Use the z test to test the hypothesis for IQ that u= 100. Use a = .05.

b. Repeat problem a using the t-test.

c. Do you get the same results?

d. Which test is appropriate?

Reference no: EM13636064

Questions Cloud

If the original material from which the wire is made is a : a paper clip is made of wire 0.7mm in diameter. if the original material from which the wire is made is a rod 25mm in
Hydrogen gas is contained in a vertical piston-cylinder : hydrogen gas is contained in a vertical piston-cylinder device at 14.7 psia and 15 ft3 at this state a linear spring
The weekly mean income of a group of executives is 1000 and : the weekly mean income of a group of executives is 1000 and the standard deviation of this group is 100. the
A tank contains 09 m3 of helium at 200 kpa and 20 c : a tank contains 0.9 m3 of helium at 200 kpa and 20 c. estimate the total mass of this gas in kga on earth andb on the
From the data bank select a random sample of 30 individuals : from the data bank select a random sample of 30 individuals.a. use the z test to test the hypothesis for iq that u 100.
The probability that an american ceo can transact business : the probability that an american ceo can transact business in a foreign language is 20. 10 american ceos are chosen at
You are the vp for the cardiovascular service line at a : you are the vp for the cardiovascular service line at a hospital. a nurse manager on the step-down-unit tells you about
A velocity field in cartesian coordinates is given by uv : a velocity field in cartesian coordinates is given by uv cos theta vv sin theta and w0 where v and theta are constants.
An article in a medical journal found that percutaneous : an article in a medical journal found that percutaneous nephrolithotomy pn had a success rate in removing kidney stones

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find confidence interval for the population mean

The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds.

  A binomial probability experiment is conducted with the

a binomial probability experiment is conducted with the given parameters. compute the probability of x successes in the

  Discrete distribution by estimating the probability

What is the probability that both defective lights will be found within three trials?

  As an epidemiologist you are going to investigate the

as an epidemiologist you are going to investigate the effect of a drug suspected of causing malformations in newborn

  Purchasing cases of wine

Suppose that you are purchasing cases of wine and that periodically you select a test case to determine the adequacy of the bottles' seals. To do this you randomly select and test 3 bottles int he case.

  A chemist who has prepared a product designed to kill a

a chemist who has prepared a product designed to kill a particular type of insect wants to evaluate the kill rate of

  The pulse rates for 13 adult women were as follows

the pulse rates for 13 adult women were as follows. construct a 0.90 confidence interval for the mean pulse rate. give

  Find decision for late evening news on local cbs station

In a survey of 100 viewers, 36% indicated that they watch the late evening news on this local CBS station. What is your decision if α = 0.01?

  What is one of the two differences between the way zst

What is one of the two differences between the way ZST or ZLT are calculated?

  Explain the basic idea for performing a hypothesis test

explain the basic idea for performing a hypothesis test based on independent samples to compare two population

  Information of chi square test for goodness of fit

A group of department store buyers viewed a new line of dresses and gave their opinions of them. The results are below: Because the largest number (47) indicated the new line is outstanding, the head designer thinks that this is a mandate to go in..

  What is the formula used to solve this

If the mean is 24 inches and the SD is 4.5 inches, What is the height of a plant with a z score of 0? My question is what is the formula used to solve this?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd