Null and alternate hypothesis - type of error

Assignment Help Basic Statistics
Reference no: EM13108349

Dr. H wants to conduct a statistical test that will show her new medication to be effective in decreasing violence in criminals.

a. What is the null hypothesis?

b. What is the alternate hypothesis?

She statistically shows that her medication decreases violence in criminals, but in actuality, it has no effect.

c. What type of error is this?

d. How could she statistically control for this type of error so that she is less likely to make that error in the future?>

e. Provide an example of the other type of error.

Reference no: EM13108349

Questions Cloud

Hypothesis testing and type two error : A corporation owns a factory that produces sulfuric acid. Because of changing conditions, the plant's output is quite variable. The company's president has observed that the output is normally distributed with a mean of 8,200 pieces per hour.
Economic analysis and organizational architecture : Discuss how organizational architecture and corporate culture are related. Use an example of a real-life firm and discuss how its corporate culture blends with its organizational architecture.
Determine the optimal order quantity and order frequency : The home goods department of a large department store sells 175 units per month of a certain large bath towel. The unit cost of a towel to the store is $2.50 and the cost of placing an order is estimated to be $12.00.
Identfy sex or gender as a requirement for legal marriage : You are going to address the Virginia State Legislature conceringng your support for legislation to not identfy sex/gender as a requirement for legal marriage. What techniques, and why, would you use in attemping to get the legislature to consider..
Null and alternate hypothesis - type of error : Dr. H wants to conduct a statistical test that will show her new medication to be effective in decreasing violence in criminals. What is the null hypothesis? What is the alternate hypothesis?
Determine the project completion date : Bowman Builders manufactures steel storage sheds for commercial use, Joe Bowman, president of Bowman Builders, is contemplating producing sheds for home use.
Five steps of hypothesis testing : Describe the five steps of hypothesis testing. Compare Type I and Type II errors and give specific examples for each. Which error should be minimized the most and first?
Fiscal policy in the current economic situation : Please detail the possibilities of using fiscal policy to stimulate economic activity in Denmark in a situation of economic stagnation among the most important trading partners.
Compute transition probabilities pi : At all times, the urn comprises N balls-some white balls and some black balls. At each stage, coin having probability p, 0

Reviews

Write a Review

Basic Statistics Questions & Answers

  Schedule of expected cash collection

Farley purchases and pays for merchandise 60% in the month of acquisition and 40% in the following month. Accounts payable is used only for inventory acquisitions. How much cash will Farley receive during November?

  Probability of overbooking airplane

Find the probability that not enough seats will be available. Is this probability low enough so that overbooking is not a real concern?

  Determining probability for choosing item

If one item is chosen at random, determine these probabilities. It is a TV

  Proportion from the preliminary sample basics

How large a sample should be selected in order to estimate the population proportion to within a margin of error of 0.02 with 97% confidence. The sample proportion from the preliminary sample was 0.18.

  Reject or fail to reject the null hypothesis

Suppose you are a researcher who has collected and analyzed a sample of values. When you perform a hypothesis test the p-value is calculated to be 0.051. Would you reject or fail to reject the null hypothesis? Defend your choice.

  Findout either the given correlation is significant

Findout either the given correlation is significant at given level of significance. Illustrate what does sample size have to do with the significance of r.

  Basic statistics of wait times

Creek Ratz is a very popular restaurant located along the coast of northern Florida. They serve a variety of steak and seafood dinners. During the summer beach season, they do not take reservations or accept a call seating.

  Question on rejection region

The rejection region for a two-tail test that uses the standard normal distribution is that area under the distribution lying

  Value of standard deviation for data

What value is standard deviation for this data? What type of probability is this?

  Confidence interval for simple random sample

A simple random sample of 50 items from a population with σ 6 resulted in a sample mean of 32.

  Estimating poisson statistics distribution

A system is tested for 10,000 hours and experiences 2 failures. Its failure rate is believed to be Poisson distributed.

  Computing premium amount

Accident records given by an insurance company give the following information. The probability that an insured driver has an accident is 0.15. If an accident occurs, the damage to the vehicle amount to 20% of its market value 80% of the time

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