A client of ABC consulting firm insists on a 99% reliability for the sample results that they receive from ABC. The yariance is 1.2 for the most important question in the study What is the desired sample size? O a. 799 QUESTION 17 Ob.310 Ot 480 Od.959

Q: What sample size would be required for the width of a99% CI to be at most .05 irrespective of the…

A: The confidence level is 99%. Therefore, α = 0.01 and α/2=0.005. The margin of error is 0.05 Since…

Q: 3. (Refer to Krejcie and Morgan Table) Considering the 1, 200 students in the School of Teacher…

A: Given information: Method to be used: Krejcie & Morgan sample size determination method…

Q: What is the purpose of the statistical test used?   Explain the difference between…

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Q: For the samples summarized below, test the hypothesis that the two variances are equal, at a=0.05…

A: The hypotheses are given as follows:

Q: Based on the following research questions, indicate whether you should conduct a z test, a single…

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Q: (a) What is the level of significance? State the null and alternate hypotheses. H0: Age…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   We need to…

Q: From a population with a variance of 1296, a sample of 225 items is selected. At 95% confidence, the…

A: Given,sample size(n)=225standard deviation(σ)=1296=36α=1-0.95=0.05α2=0.025Z0.025=1.96     (from…

Q: From the following data, calculate the z-score.                          N         =          100…

A: It is given that the sample mean, x-bar is 15, sample size, n is 100, population mean (mu) is 22,…

Q: In an analysis of variance, if SSb/t = 20 and MSb/t = 10, then there were _____ levels.

A: Given : SSB/t = 20 Msb/t = 10 here, K -1 = t ( given)  where K is the number of levels.

Q: The Ministry of Health is interested in determining whether the average nicotine content of regular,…

A: For the given data perform Anova single factor

Q: Which of the following p-values indicates the weakest sample evidence against the null hypothesis? O…

A: Given : here we have to find lowest p-value which indicates the weakest sample evidence against the…

Q: The Ministry of Health is interested in determining whether the average nicotine content of regular,…

A: Note: Hey, since there are multiple subparts posted, as per guidelines we will answer first three…

Q: was the mean for the original sample? (SHOW YOUR WORK)

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Q: To build a 99% CI for the mean of a population, you take a random sample and find these values: 22.2…

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Q: What is the pooled variance for the following two samples? Sample 1:n - 8 and SS 168 Sample 2:n = 6…

A: Hello! As you have posted 2 different questions, we are answering the first question . In case you…

Q: The results of a study that used an independent samples t-test was t(28) = 2.14, p = .01. Based on…

A: t(28) means that degree of freedom  = 28 Now, degree of freedom for a t-test one sample case  = n-1.

Q: Which of the following sample results yields a 95% CI for µ with the smallest width and why? (i) x =…

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Q: A test to verify that there is no difference between two populations means of dependent samples,…

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Q: ith the given data, consider a sample size of 15. How can you randomly select the 15 from the…

A: In the method of systematic sampling, choosing a Kth sample from the population yields a systematic…

Q: You are told that the proportion p of those who answered "yes" to a poll about internet use is 'p =…

A:

Q: The following table shows age distribution and location of a random sample of 166 buffalo in a…

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

Q: Given the following information, calculate the pooled sample variance that should be used in the…

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Q: The claim is that for a smartphone​ carrier's data speeds at​ airports, the mean is m=12.00 Mbps.…

A:

Q: Find the values of the UCL and LCL for the R chart for this data

A: Number of sub-groups = 20 Sample size n = 7

Q: As practiced by many in buying skirts or pants, they use the neckline to check if the waistline of…

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

Q: Can you do a, b, c?

A: (a) There are two outcomes, defective and not-defective.The sample space is {defective,…

Q: Is there a difference in wait times at each restaurant’s drive-through? Use 0.1 level of…

A: given n1 = 30   n2=27 hypothesis  null hypothesis : there is no significance difference between the…

Q: What is the value of t when the significance level alpha = 0.05 and our sample size is 12?  A) 1.771…

A: Given information- Significance level, α = 0.05 Sample size, n = 12 We have to find the t value.

Q: Find the estimated standard error for the sample mean for n = 8 and SS= 5042.

A: Given n=8, SS=5042

Q: What is the pooled variance for the following two samples? Sample1: n = 8 and SS = 168: sample 2: n…

A: Given data

Q: What is the pooled variance for the following two samples? Sample 1:  n = 8 and SS = 168; Sample 2:…

A:

Q: Find the estimated standard error for the sample mean for each of the following samples: a) n= 9…

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Q: Given: σ = 0.9, δ = 3.25 − 3, α = 0.05 , Zα/2 = z0.025  What sample size would be required to…

A: δ = 3.25 − 3 Effect Size = (3.25 − 3) / 0.9 = 0.277

Q: For the following data from a repeated-measures study, the sample mean difference is MD = 2.…

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Q: (c) If we want a margin of error of only + 1.0, what sample size is needed? Round your answer up to…

A: The following information is provided. consider the level of significance is 0.05. Also,

Q: What is the P(t > -0.4) with a sample size of 13.

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Q: If s=16 and the estimated standard error is 2, then the sample size must equal to ___.

A: It is given that the sample standard deviation is 16 and standard error is 2.

Q: The following table shows age distribution and location of a random sample of 166 buffalo in a…

A:

Q: For this model, SSR = 3500, SSE - 1500, and the sample size is 20. To test for the significance of…

A:

Q: A senior accounting major at Midsouth State University has job offers from four CPA firms. To…

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Q: in which the conditions of the f the sample che study has ever been carrie pnd

A: (a and b), but not (c and d)

Q: A researcher has collected the following sample data. The main of the sample is 5. 3 5 12 3 2…

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Q: (Refer to Krejcie and Morgan Table) Considering the 1, 200 students in the School of Teacher…

A: The provided information is as follows: Population size =1200Precision =95%

Q: If s = 15 and the estimated standard error is 5, then the sample size must be equal to ______.

A: According to the provided information, s=15 SE = 5

Q: Use a 0.05 significance level to test the claim that males and females have the same mean BM Male…

A: The claim is males and females both have the same BMI. The given data is,   n1=80, x1=26.3,…

Q: Take a guess concerning the population proportion of orange candies. Is this the same as the…

A: For the first student there are 17 orange, 7yellow and 7 brown candies which makes total of 31…

Q: The manufacturer of a popular soft drink claims that cans of this drink contain 12 ounces.  A…

A: Given that

Q: The claim is that for a smartphone​ carrier's data speeds at​ airports, the mean is μ=11.00 Mbps.…

A: Consider that μ defines the population mean smartphone carrier’s data speed at airport.   Null…