8. Which of the following is not needed in computing the minimum sample size for the estimation of the population mean? A. confidence level C. population standard deviation B. sample mean D. margin of error Scanned with CamScanner

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: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: Provided information: Margin of error = 0.028 Confidence level = 99%

Q: A physical therapist wants to determine the difference in the proportion of men and women who…

A: From the provided information, Margin of error (E) = 3% that is 0.03 Confidence level = 95% And

Q: The “best estimate” of the mean of a parent distribution, using a data set consisting of N samples,…

A: The given statement is,  The “best estimate” of the mean of a parent distribution, using a data set…

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: From the given information, Margin error = 0.008 Assume sample proportion = 0.5   Critical value:…

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: Given,margin of error(E)=0.058sample proportion (p^)=0.235α=1-0.76=0.24α2=0.12Z0.12=1.175…

Q: 4, The hardness of ten steel samples was measured and the results were as follows. 1 2 8. Sample…

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Q: Use the given data to find the minimum sample size required to estimate a population proportion or…

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Q: find the minimum sample size needed to estimate μ for the given values. Confidence level=95% E = 2…

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Q: A reading specialist wanted to estimate the mean word length, in number of letters, for an…

A: Given data Sample size ,n=100 Sample mean  x ̅  =4.9 letters Sample SD , s=0.15 letters

Q: Use the given data to find the minimum sample size required to estimate a population proportion or…

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Q: Construct the indicated confidence interval for the population mean . Assume c = 0.98, = 101.3, =…

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Q: Use the margin of error, confidence level, and standard deviation o to find the minimum sample size…

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Q: use the given data to find the minimum sample size required to estimate the population proportion.…

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Q: Consider the data set 6             7            12          18          22 together with a sixth…

A: Given Data set   6, 7, 12, 18, 22, x   Mean=6+7+12+18+22+x6=65+x6∑xi2=62+72+122+182+222+x2=1037+x2

Q: Use the given information to find the minimum sample size required to estimate an unknown population…

A: It is given that confidence level is 0.99, standard deviation is 588 and margin of error E is 130.

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

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Q: You want to create a Z-interval for a population mean, using table C, with the following…

A: From the provided information, Sample size (n) = 25 Mean (x̅) = 34.2 Population standard deviation…

Q: Assume the given confidence interval for the population mean height of Sequoia trees in Sequoia…

A: Given: Lower limit = 56.1 Upper limit =63.4 The Sample mean can be calculated as: Sample mean =…

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

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Q: Calculate both the sample and the population standard deviations using the data below. 13 26 14 6.…

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Q: If N = nk, where k is an integer, the sample mean Y sys is an unbiased estimate of population mean..

A: Answer: For the given data,

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: Given that, Margin of error If the prior information is unknown, assume that the value of sample…

Q: Use the given data to find the minimum sample size required to estimate the population proportion…

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Q: Assume the managers have requested estimates of the mean attitudes towards each mall with a margin…

A: M.E= 0.05 Springdale Mean -3.81 Springdale STDEV - 1.06 West Mall Mean - 3.41 West Mall STDEV - 1.18…

Q: 2) Use the given data to find the minimum sample size required to estimate the population…

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Q: b. Calculate a 95% confidence interval for the proportion of the population who have been told they…

A: b. A sample 1,414 adults are taken for a survey to ask the question that "Have you ever been told…

Q: Use the given data to find the minimum sample size required to estimaate the population proportion.…

A: The confidence level is  99% then the level of significance is 0.01.

Q: The following sample data are from a normal population: 10,8 ,12,14 ,13,11 7,5 a. What is the point…

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Q: Consider a sample with data values of 10, 20, 16, 12, and 17. Compute the mean and median. mean…

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Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

A: Find z-critical value:…

Q: Use the given information to find the minimum sample size required to estimate an unknown population…

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Q: Which of the following variables is/are needed to determine the appropriate size of the sample? I.…

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Q: use the given data to find the minimum sample size required to estimate the population proportion…

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Use EXCEL…

Q: In determining the sample size necessary to estimate a population mean, which of the following…

A: The formula to compute the sample size using the margin of error is: Sample sizen=Zα2×σE2 Zα2 is the…

Q: (ii) Compute the sample mean and sample standard deviation for the data.

A: Given A01 data set: A01 18.2 14.9 17.2 14.3 10.5 17.2 17.5 15.8 15.9 11.6…

Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

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Q: If a confidence interval for the mean is (43≤μ≤82)(43≤μ≤82), a) What is the point estimate?    b)…

A: Given the confidence interval for the population mean in tri-linear inequality form: Hence,

Q: 12.What is the sample size needed if the margin of error is 30 and the standard deviation of 45 with…

A: (12)  We have given that,  Confidence level (C.I) = 98% , standard deviation (σ) = 45 and margin of…

Q: In determining the sample size necessary to estimate a population mean, which one of the following…

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Q: Use the given to find the minimum sample size required to estimate a population proportion or…

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Q: Use the given data to find the minimum sample size required to estimate the population proportion.…

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Q: Which of the statements below is true about the standard error of the sampling distribution of the…

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Q: Use the given data to find the minimum sample size required to estimate the popula proportion.…

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Q: The following sample data are from a normal population: 10, 9, 12, 14, 13, 11, 7, 4. a. What is the…

A: Definitions: Mean(average): It is calculated by sum of observations divided by number of…

Q: For the specified margin of​ error, confidence​ level, and educated guess for the observed​ value,…

A: Zα/2 = 1.645  at α = 0.1 _____________________________ Use Excel function =NORMSINV(0.05) OR Z-…

Q: Consider a sample with data values of 10,20, 12, 17, and 16. Compute the mean and median.

A: The sample mean of a dataset is computed by dividing the sum of the observations ∑x by the total…

Q: Use the given data to find the minimum sample size required to estimate a population proportion or…

A: Given: Margin of error (E) = 0.04 Confidence level = 90% Assume, p^=0.5

Q: (b) Use the table from part (a) to find u- (the mean of the sampling distribution of the sample…

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