If the family error rate is required to be 0.05 for 6 binary comparisons in the Tukey Test, which of the following is the approximate error rate (α) for individual hypothesis tests? A)0,2275 B)0,0085 C)0,0250 D)0,0955

Q: A machine in a factory must be repaired if it produces more than 10% defectives in a day.  A random…

A:

Q: In a hypothesis test with hypotheses H,: A = 24 and H,: A + 24 , a random sample of 38 elements…

A: Given Sample size (n) =38 Sigma =4.4 Significance level =5℅

Q: Twenty children with autism participated in a study of the effectiveness of augmentative…

A: Given that  Statement : Researchers hypothesized that the children would show a higher number of…

Q: In a hypothesis test with hypotheses H.:H= 24 and H. u 24, a random sample of 50 elements selected…

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Q: The test statistic of z=1.74 is obtained when testing the claim that p≠0.144. a. Identify the…

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Q: 1. An airline claims that at least 90% of their lost luggage is recovered and delivered to its…

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Q: A national TV program asks viewers to ring in regarding whether they think Scott Morison is doing a…

A: A voluntary response sampling represents a poll or survey in which opinions are selected from a…

Q: For a left tail hypothesis test with a sample size of 10 and a .10 level of significance, the…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: One survey conducted by a major leasing company determined that the Lexus is the favorite luxury car…

A: Here we need to find the required test statistic for the given situation. The population proportion…

Q: 18. A study was carried out to investigate whether the type of milk used is the same among young…

A: The observed values are given in tabular form as:   Skimmed milk Semi-skimmed milk Homogenized…

Q: In a hypothesis test with hypotheses Ho : µ = 90 and H1 : µ # 90, a random sample of 103 elements…

A: According to the given information, we have Mean = 94.3 Standard deviation = 22.1 Sample size = 103

Q: 2. Based on a poll of registered voters in a large city, 120 out of a random sample of 250 women…

A: The total number of women n1=250The number of women intend to vote Trump =120The proportion of women…

Q: According to a recent marketing campaign, 100100 drinkers of either Diet Coke or Diet Pepsi…

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Q: According to a recent marketing campaign, 00 drinkers of either Diet Coke or Diet Pepsi participated…

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Q: A researcher is investigating if average starting salaries for business graduates is higher in…

A: Given that  Claim : Researcher investigating if average salaries for business graduate is higher in…

Q: Suppose a research study uses two independent groups with 21 individuals in each group. If a t-test…

A: The degrees of freedom is, df=n1+n2-2=21+21-2=40 The degrees of freedom is 40. Consider the test is…

Q: The director of a university placement office claimed that 50% of the graduating seniors had…

A: Given,claim: 50% of the graduating seniors had finalizedjob arrangement by may 1.

Q: 10. Given the following hypotheses (null and alternative), test statistic, and sample size, find the…

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Q: test the null hypothesis p=0.90 against the alternative hypothesis p<0.90 at 0.50 level of…

A: It is given that Sample size n = 200 Number of spots that were removed, X = 174 Level of…

Q: Claim: A majority of adults would erase all of their personal information online if they could. A…

A: Let p be the population proportion  Given  p=58%=0.58

Q: An SRS of 45 male employees at a large company found that 36 felt that the company was supportive of…

A: we have to find conclusion for hypothesis...

Q: A cigarette manufacturer claims that his cigarettes have nicotine content that does not exceed 2.0…

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Q: The results from a two sample (independent sample) t test are reported as “t(14) = 2.13,p > .05, two…

A: Decision Rule: If p-value ≤ α, then reject the null hypothesis.

Q: If, in a sample of n = 16 selected from a normal population, X= 53 and S= 20, what is the value of…

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Q: In a hypothesis test with the null and alternative hypotheses hypotheses Ho : µ > 80 and H1 : µ <…

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Q: From previous studies, it is concluded that 39% of phone numbers in a certain city are unlisted. A…

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Q: null hypothesis p  0.90 against the alternative hypothesis p  0.90 at the 0.05 level of…

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Q: At α = 0.025, what is the appropriate rejection region if z-test is to be used?

A: Given that  Null hypothesis H0 : μ =20 Alternative hypothesis  Ha : μ &gt; 20    { Right tailed…

Q: A sample of eligible voters was selected to test if more than 60% of votes intend to vote in the…

A: The following information has been provided: Null and Alternative Hypothesis : Null Hypothesis : 60%…

Q: State the hypotheses and identify the claim.   :H0: claim or not claim     ▼(Choose one) :H1:…

A: Claim made by the store manager is that the average number of pages a person copies on the store's…

Q: For the null hypothesis Median (n) - 5, compute the values of 7*, T , and T for the following…

A: Given that, Population Median = 5

Q: Due to a manufactoring error, three cans of regular soda were accidently filled with diet soda,…

A: The random variable X is defined as the number of cans containing diet soda. The variable X follows…

Q: f, in a sample of n=25 selected from a normal​ population, X=51 and S=5​, what is the value of tSTAT…

A: It is one sample T- test : Data given : x¯ = 51 , s = 5 , n = 25 , μ = 50

Q: 2. Based on a poll of registered voters in a large city, 120 out of a random sample of 250 women…

A: Null hypothesis: There is no difference in the proportion who intended to vote for Trump among male…

Q: An SRS of 45 male employees at a large company found that 36 felt that the company was supportive of…

A: Given n1=45 x1=36 n2=40 x2=24

Q: Suppose a research study uses two independent groups with 31 participants in each group. If a t-test…

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Q: A sports enthusiast would like to determine if the average number of penalty minutes per game for…

A: Identify the correct hypotheses that need to be tested. The correct option is identified below: From…

Q: In a hypothesis test with hypotheses Ho :H 2 80 and Hi :H < 80, a random sample of 110 elements…

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Q: Ann and Sam are both testing the hypothesis that 40% of plain M&M are orange. Ann draws a sample of…

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Q: A test of the hypotheses, Ho: ps 0.24 and H1: p > 0.24 is a one-tailed test two-tailed test test of…

A: In the given situation, The testing is based on one proportion. The alternative hypothesis is…

Q: 9.1 If you use a 0.05 level of significance in a (two-tail) hypothesis test, what will you decide if…

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Q: In a two-tailed test of hypotheses, the level of significance is 10%, and the sample size is 13. The…

A: The test statistic value is -1.972.

Q: in a one-tail hypothesis test where H_{0} is only rejected in the upper tail, the p-value 0.1029 and…

A: Decision rule for hypothesis test using p-value :  Reject null hypothesis (H0) is p-value less than…

Q: In random samples of 250 persons with low incomes,200 persons with average incomes, and 150 persons…

A: Given : Sample size = 250 + 200 + 150                     = 600 Level of significance = 0.5 Number…

Q: In a hypothesis test with the null and alternative hypotheses hypotheses Ho : µ > 80 and H1 : µ <…

A: Given: n= 99.0 ,x̄= 75.3 ,σ= 24.6 µ= 80.0 ,significance level(∝)= 0.05 define hypothesis;- Null…

Q: In a mechanical aptitude test, persons who are 15 years old should average 70.8, with σ=6.9σ=6.9 .…

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Q: Find the P-value for the following values of the test statistic t, sample size n, and alternate…

A: From the provided information, The value of the test statistic t = 3.635 Sample size (n) = 4 H1: µ…

Q: A Harris Poll statistician stated that 35% of people drink coffee to combat midday drowsiness. A…

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Q: Suppose a group of 800800 smokers (who all wanted to give up smoking) were randomly assigned to…

A: Given: n1=594x1=272n2=206x2=92n=800 The value of p^1 is obtained below; p^1=x1n1=272594=0.4579 The…