Increasing the alpha level from 01 to 05 changing from a

Assignment Help Basic Statistics
Reference no: EM13578251

Explain how the power of a hypothesis test is influenced by each of the following. Assume that all other factors are held constant.

a. Increasing the alpha level from .01 to .05.

b. Changing from a one-tailed test to a two-tailed test.

Reference no: EM13578251

Questions Cloud

Identify which of the following are tax preferences a seven : identify which of the following are tax preferences a seven percent of the exclusion associated with gains on the sale
A company with monthly fixed costs of 300000 expects to : a company with monthly fixed costs of 300000 expects to earn monthly operating income of 64000 by selling 13000 units
Use a 05 significance level is this evidence that the : twenty years ago postal employees worked for the postal service an average of 7.5 years. recently a sample of 100
A product sells for 135 variable costs are 100 and fixed : a product sells for 135 variable costs are 100 and fixed costs are 68000. if the selling price can be increased by 21
Increasing the alpha level from 01 to 05 changing from a : explain how the power of a hypothesis test is influenced by each of the following. assume that all other factors are
The building and equipment are estimated to cost 1200000 : thurman munster the owner of adams family rvs is considering the addition of a service center his lot. the building and
Identify a pair of variables for which you would expect to : identify a pair of variables for which you would expect to see a strong correlation but not a cause-and-effect
The east coast researcher decides to construct a two-sided : question a researcher in the west coast of the u.s. wants to estimate the amount of a newly discovered antibody in
A sample of n 16 individuals is selected from a normal : a sample of n 16 individuals is selected from a normal population with a mean of micro 48 and a standard deviation of

Reviews

Write a Review

Basic Statistics Questions & Answers

  Interaction dummy variables

Let's suppose that we have 2 variables year and age.. I use STATA to make them into dummy variables as follows:

  The proportion of adults who own a credit card

Suppose a random sample of 500 adults is asked, "Do you own a credit card?" Describe the sampling distribution of p ^ , the proportion of adults who own a credit card.

  Find program was effective in reducing cholesterol levels

After six months each pilot's cholesterol level is checked again. At the 0.01 significance level, can we conclude that the program was effective in reducing cholesterol levels?

  The mileage ratings of vehicles

With the fluctuation of gas prices today, the mileage ratings of vehicles

  Mean volume of the stock changed

In a random sample of 35 trading days, the volume of a particular stock is recorded to determine whether the mean volume of the stock changed from its 2007 value of 35.14 million shares.

  Find probability-shuttle component functions successfully

This shuttle component functions successfully provided that at least one of the n systems functions properly. Find the probability that this shuttle component functions successfully if n - 2.

  Test hypothesis by chi-squared test

A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information.

  Find the expected winnings per ticket sold

There is one Grand Prize of $500, one First Prize of $100, and 8 Second Prizes of $50. Find the expected winnings per ticket sold.

  Average number of items-an improperly adjusted machine

What is the probability that an improperly adjusted machine will produce five or more items before it is stopped? What is the average number of items an improperly adjusted machine will produce before being stopped?

  Better grade exam scores

Which of the following exam scores should lead to the better grade?

  Probability that the age of a randomly selected ceo

To find out the probability that the age of a randomly selected CEO. The average age of CEOs is 56 years. Suppose the variable is normally distributed.

  What is the 25th percentile of a x2 distribution with 20

what is the 25th percentile of a x2 distribution with 20 degrees of freedom? what symbol is used to denote 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