Suppose I am running an ANOVA test to see if there is a difference in the math scores of students with blonde hair, brown hair, and red hair at the .05 level of significance. The ANOVA test shows a P-value of .056. What should our conclusion be? Group of answer choices Reject the null hypothesis, there is insufficient evidence

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A: It is given that the sample size, i.e., the no. of sampled users n=300. Of the 300 sampled users,…

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A: Given  χ2 statistic=16.2037. df =(n-1)(m-1)  Level of significance=0.05,

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A: Given that 47% of parents of children in high school felt it was a serious problem that high school…

Q: A newsletter publisher believes that less than 50% of their readers own a laptop. For marketing…

A: Null Hypothesis: H0: p = 0.49 Alternative Hypothesis: Ha: p < 0.49 The decision is  to reject the…

Q: Step 1: State the hypotheses. Step 2: Calculate the test statistic.

A: The two categorical variables are Ainstats and whether people pass. Sample size (n)=350Level of…

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A: Given that,possible chances (x)=317sample size(n)=356success rate ( p )= x/n = 0.8904success…

Q: Suppose that according to your company, the average salary for middle managers was 105,000. You…

A: (a)   Determine the type of test must be run.   The type of test that must be run is hypothesis…

Q: You wish to test the following claim (Ha) at a significance level of a = 0.10. H.:P1 = P2 Ha:Pi # P2…

A:

Q: news article that you read stated that 55% of voters prefer the Democratic candidate. You think that…

A: We have given that  Sample size n =207 Favorable cases x =116 Sample proportion p^=x/n  =116/207…

Q: When a null hypothesis is rejected, the test is said to be "statistically significant." If a…

A: Here Given  When a null hypothesis is rejected, test is said to be "statistically significant

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A: median volume = 12 ozTo test the given claim: The median amount is 12 ozand conclude the results.

Q: Refer to Exhibit 1. The mean square between treatments is O 16350 8750 O 475 O 2916.67

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Q: Test Statistic Round to thousandths place.

A:

Q: You are a research assistant at a zoo. The question of your study is "Has the proportion of baby…

A: You are a research assistant at a zoo.  The question of your study is "Has the proportion of…

Q: You wish to test the following claim (Ha) at a significance level of a = 0.01. Ho: P₁ = P2 Ho: P₁ >…

A: Given:The null and alternate hypotheses arefirst populationnumber of success (x1) = 359Number of…

Q: # 2. The manager of Apple Green Golf wishes to study the number of rounds of golf played per week…

A: Given, Claim: Test whether there is difference in the number of rounds played by day of the week.…

Q: Past studies have indicated that the percentage of smokers was estimated to be about 35%. Given the…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A news article that you read stated that 53% of voters prefer the Democratic candidate. You think…

A:

Q: Assume that you plan to use a significance level of ΅ = 0.05 to test the claim that p1 = p2. Use…

A: Solution: State the hypotheses. Null hypothesis: H0: p1=p2 Alternative hypothesis: H1: p1≠p2 The…

Q: should we accept or reject the null hypothesis at a significance level of 0.05? Explain.

A: The above test is right tailed so the critical value of z at 0.05 level of significance is 1.96.…

Q: The Bangor Humane Society tracks cat adoptions closely, and in the past has seen 60% of people who…

A: Here we have to test: H0: P≥0.60  Vs  Ha: P<0.60 where P is true proportion of people's who…

Q: news article that you read stated that 56% of voters prefer the Democratic candidate. You think that…

A: given data, claim:p=0.56x=142n=236p^=xn=142236=0.6017α=0.10

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A: Given information: The data of relationship status and obesity are given. Significance levelα=0.05.…

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A: Introduction: Statistical significance and practical significance are not one and the same thing.…

Q: You conduct a one-way ANOVA with 12 groups (or populations). At 0.05 significance level, you find…

A: Given :

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A: Given,Sample size(n)=100sample mean(μ)=$27,524Standard deviation(s)=$6000and α=0.05

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A: Given data x= 195 n =555

Q: What is the relationship between the t-test and the sample size? (

A: Here identifying the relationship between t test and sample size

Q: USA Today reported that about 47% of the general consumer population in the United States is loyal…

A: Given that  Population proportion p=0.47 Sample size n=1008 Let X denotes the number of Chevrolet…

Q: A news article that you read stated that 54% of voters prefer the Democratic candidate. You think…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 4 sub-parts.  In case…

Q: A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6…

A: Solution.Use following Excel formulas

Q: Jennifer, a college student, would like to make the claim that the average amount that students…

A: Given, H0: μ=$225;  Ha: μ>$225 α=0.025 (significance level) test statistic=2.51

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A: We have given the following data Over the age of 55Sample size (n1) = 285Number of people dream in…

Q: You wish to test the following claim (Ha) at a significance level of a = 0.002. Ho: p > p2 Ha: P₁ P2…

A: Suppose p1, p2 are the proportions of 1st and 2nd populations, respectively.

Q: In a random survey of 1500 adults in California and 1000 in Oregon, you find that percentage of…

A: Solution: Let p1 be the proportion of adults who are smokers in California and p2 be the proportion…

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: The random variable dream in black and white follows binomial distribution. There are two…

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: For sample 1, we have that the sample size is N1=285, the number of favorable cases is X1=68, so…

Q: If the p-value is 0.13 and the level of significance , α , is 0.05 in a hypothesis test for a mean,…

A: Given , p-value is 0.13  α, is 0.05  Here p-value is greater than α therefore we cannot reject null…

Q: A graduate student believes that people consider faces with more contrast between lip color and skin…

A: Believe : People consider faces with more contrast between lip colour and skin tone as more famine :…