Management decided to extend the incentive program so that the decision can be made on three months ofdata instead. Will the power increase, decrease, or remain the same? The power willO Stay the sameO IncreaseO Decrease The board of directors for Procter and Gamble is concerned that only 19% of the people who use toothpastebuy Crest toothpaste. A marketing director suggests that the company invest in a new marketing campaignwhich will include advertisements and new labeling for the toothpaste. The research department conductsproduct trials in test markets for one month to determine if the market share increases with new labels.Write the company's alternative hypotheses. (Note that you'll need the null for the rest of the problem.)На:In this context describe a Type I error and the impact such an error would have on the company.O Thinking the new labels didn't raise sales, when they actually didO Correctly thinking the labels did not raise salesO Correctly thinking the labels raised salesO Thinking the new labels raised sales, when they really didn'tIn this context describe a Type Il error and the impact such an error would have on the company.O Correctly thinking the labels did not raise salesO Correctly thinking the labels raised salesO Thinking the new labels raised sales, when they really didn'tO Thinking the new labels didn't raise sales, when they actually didDescribe to management an advantage of lowering the alpha level, the level of significance.O Lowers the probability of a Type Il errorRaises the probability of a Type I errorO Raises the probability of a Type Il errorO Lowers the probability of a Type I errorDescribe to management an disadvantage of lowering the alpha level, the level of significance.O Raises the probability of a Type Il errorO Lowers the probability of a Type Il errorLowers the probability of a Type I errorO Raises the probability of a Type I error

here take market share before campaign = M1 here take market share after campaign with new label =…

Answered: The board of directors for Procter and…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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. The National Institute of Mental Health published an article stating that in any one-year period, approximately 9.5 percent of American adults suffer from depression or a depressive illness. Suppose that in a survey of 100 people in a certain town, seven of them suffered from depression or a depressive illness. If you were conducting a hypothesis test to determine if the true proportion of people in that town suffering from depression or a depressive illness is lower than the percent in the general adult American population, what would the null and alternative hypotheses be?
Do sit down restaurant franchises and fast food franchises differ significantly in stock price? Specifically, is the average stock price for sit-down restaurants different from the average stock price for fast food restaurants? If sit down restaurants are considered group 1 and fast food restaurants are group 2, what are the hypotheses of this scenario?
1.Respond to the following questions in accordance with characteristics of hypothesis testing. a.If you want to see if the average gestational length among African American women is different from the national average of 39 weeks, how would you set up the null and two-sided alternative hypotheses? b.If you want to see if the average gestational length among African American women is less than the national average of 39 weeks, how would you set up the null and one-sided alternative hypotheses? c.In other words, what is a P-value? d.If α is 0.10 and you find a P-value of 0.08 in your hypothesis test, what would you conclude? e.How do you calculate the standard error of ?̅?
Many consumer groups feel that the U.S. Food and Drug Administration (FDA) drug approval process is too easy and, as a result, too many drugs are approved that are later found to be unsafe. On the other hand, a number of industry lobbyists have pushed for a more lenient approval process so that pharmaceutical companies can get new drugs approved more easily and quickly. The FDA wants to set up a hypothesis test to show that the new drug is safe before approving it by assuming it to be unsafe. Match the followings concepts to their correct interpretations in the context of the question: Null hypothesis Alternative hypothesis Type I error Type II error A. The new drug is unsafe but the FDA concludes that it is…
According to Emergency Room Statistics, in any 6 month period, 15.2% of asthmatic children not on inhalers will have an asthmatic complication requiring the emergency room. A pharmaceutical firm has developed a new steroidal inhaler. The company believes that the use of this steroidal inhaler will decrease the percentage of asthmatic children requiring emergency room care for asthmatic complications. Because the FDA requires 2-sided hypothesis tests, the company tested the following claim: In any 6 month period, the percentage of asthmatic children using their steroidal inhaler that require emergency room care for asthmatic complications will not be 15.2%. To test their claim, they took a simple random sample of 260 asthmatic children and had them use a steroidal inhaler for 6 months. Of the 260 children, 60 required emergency room care for asthmatic complications at some time in the 6 month period. (c) What is the critical value which represents a boundary between the rejection region…
An economist has collected data on the number of house foreclosures. The published share of housing units with a foreclosure filing is 0.47%. The economist believes, based on the data she collected, that the share of housing units with a foreclosure filing is different from 0.47%. What are the null and alternative hypotheses? Select the correct answer below: H0: μ≠0.47%; Ha: μ=0.47% H0: μ=0.47%; Ha: μ≥0.47% H0: μ=0.47%; Ha: μ≤0.47% H0: μ=0.47%; Ha: μ≠0.47%
A health provider saw that 48% of their members received their flu shot in recent years. The health care provider tried a new advertising strategy the following year, and they took a sample of members to test if the proportion who received their flu shot had changed. Determine the null and alternative hypothesis
If the proportion of the population in City A that is over 65 years old is p1 and the proportion of the population in City B that is over 65 years old is p2, what is the null hypothesis for a test to determine if the proportion of the population that is over 65 years old is greater in City A?
The smaller the P-value, the ______ support for the alternate hypothesis -More -Less
A researcher hypothesizes that Drug A is more effective than Drug B. In conducting an analysis to test this hypothesis, how should the null hypothesis be stated?
If the proportion of the population in City A that is over 65 years old is p1 and the proportion of the population in City B that is over 65 years old is p2, what is the null hypothesis for a test to determine if the proportion of the population that is over 65 years old is greater in City A? Select the correct answer below: H0: p1−p2=0 H0: p1−p2>0 H0: p1−p2<0 H0: p1−p2≠0
Come up with your own hypothesis testing scenario. What is an example of a null and research hypothesis, and consider what it would mean if you came up with a significant results?

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