Given a population has a mean of 120. What is the sampling érror, štandard er nd marginal error for an eight items sample with the values 102, 114, 99, 108, 1

Q: Answer the following questions using the sampling distribution of the mean weekly salaries for…

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Q: A population has a mean = 139 and a standard deviation = 29. Find the mean and standard deviation of…

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Q: When computing a 95% CI for a population mean, the ____ is used to compute the margin of error.…

A: When computing a 95% CI for a population we use two-tailed t value at 0.05.

Q: A random sample of 45 home theater systems has a mean price of $139.00. Assume the population…

A: Given that  Random sample size (n) =45 Mean price (x¯)= $139 Population standard deviation…

Q: Suppose the daily attendance at Disneyland is normally distributed with mean 52 (thousand) and…

A: Given : μ = 52 , σ= 8.4 and n= 15 (a)  Sampling distribution is Normal because population itself…

Q: For a sample of n=16 scores, what is the value of the population standard deviation  (sigma)…

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Q: the mean and standard deviation of a population are 200 and 20 respectively. suppose the sample size…

A: Given data,μ=200σ=20If n=36the mean of the sampling distribution=?

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

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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: The relative standard deviation for an .8 unknown sample that gave a S/N ratio of 6 * is 1.0 0.2 0.4…

A: Given : Relative standard deviation = 0.8 Sn = 6

Q: The standard deviation of a sampling distribution is smaller than the standard deviation of the…

A: The comparison of sd of sample to the sd of the population is as follows:

Q: What sample size should be used in a study conducted to estimate the average monthly absences of…

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Q: The number of days absent per year for a population of six employees in a small company are: 1…

A: a) There are total six employees.

Q: If a population of raw scores is normally distributed and has a mean µ = 80 and a standard deviation…

A: Given: μ=80σ=8 Central Limit Theorem for mean:  If a random sample of size n is taken from a…

Q: Given the situation or problem, determine what is being asked. a. Suppose a random sample of size n…

A: Given that   μ = 90 , ? = 6.4 , n = 25

Q: Given the population 1,3,4,6, and 8. Suppose samples of size 3 are drawn from this population. 1.…

A: Population mean is the average of the dataset which is computed by dividing the sum of observations…

Q: A report by the Gallup Poll found that a woman visits her doctor, on average, at most 5.8 times each…

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Q: Find the range, the standard deviation, and the variance for the given samples. Round…

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Q: a random sample of state gasoline taxes in cents is shown here for 12 states,round sample statistics…

A: The descriptive statistics is conducted using EXCEL. The software procedure is given below: Enter…

Q: According to the null hypothesis, the mean difference for the comparison distribution in a…

A: Solution-Given that According to the null hypothesis ,the difference for the comparison distribution…

Q: The EPA recommends avoiding consumption of fish species if the mercury concentration is higher than…

A: Obtain the confidence interval for the mercury concentration: The concentration in a large random…

Q: The moment method equates the population moments to sample errors. True False

A: The method of moments are found by equating the sample moments to the corresponding population…

Q: We are going to calculate the standard deviation for the following set of sample data. 1) First,…

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Q: DEFINE THE SAMPLING DISTRIBUTION OF THE SAMPLE MEAN FOR NORMAL POPULATION WHEN THE VARIANCE IS KNOWN…

A: Standard deviation is the measure of dispersion which used to measure the deviation of data from the…

Q: What sample size should be used in a study conducted to estimate the average monthly absences of…

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Q: pose a population has three values (13, 17, 24)

A: Given, Let X  =13, 17, 24

Q: 2. A normally distributed population has mean 57,800 and standard deviation 750. Find the mean and…

A: To find the mean and standard deviation of the sample means for samples of size 100:

Q: You are givenn 5 measurements: 2, 1, 1 a. Calculate the sample mean x * = 2.4 Find the sample…

A: 2.13 Given sample values are 2, 1, 1, 3, 5. a. The sample mean x¯: x¯=sum of observationsnumber of…

Q: The three data sets listed below have the same mean and range. Compute the standard deviation for…

A: The given data sets are: Data set 1 Data set 2 Data set 3 5 5 5 7 6 5 9…

Q: standard error of the mean for each sampling situation

A: Given that  Sampling situation normally distributed.   We know that  Standard error (SE)  = σn

Q: During a wisdom teeth removal procedure, 1, 2, 3, or 4 wisdom teeth are removed, depending on the…

A: From the provided information, µ = 3.86, σ = 0.99 and n = 7

Q: According to the U.S. Census Bureau, the number of people in a household has a mean of 2.6 and a…

A: As per our company guidelines, we are supposed to answer ?️only the first 3 sub-parts. Kindly repost…

Q: The scores of a 5 player team in the quiz bee are as follows: 5, 6, 7, 7, and 9 a. Compute for the…

A: Ans: Given , data x x2 5 25 6 36 7 49 7 49 9 81 --- --- ∑x=34 ∑x2=240 Mean = μ =…

Q: If you have a sample of n=25, what is the standard error if the population standard deviation =60

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Q: Please compute the sample mean, standard deviation, and estimated standard error for M. The…

A: From the provided information, The sample scores are 1,5,1,1 The required sample mean can be…

Q: A simple random sample is taken from a population and yields the following data for a variable of…

A: Point estimate:Point estimate is the single value obtained from point estimation on a set of sample…

Q: For a population with a mean of 45 and a standard deviation of 10 what is the standard error of…

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Q: If the variance of a national accounting examination is 900, how large a sample is needed to…

A: Solution

Q: Find the minimum sample size needed to estimate the true mean with margin of error of 9 and at…

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Q: Given the measurements 20, 26, 40, 39, 25, 36 and 34, compute for the following. 1. Range 2. Mean…

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Q: Find the minimum sample size needed to estimate the true mean with margin of error of 6 and at…

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Q: The percentage rates of home ownership for 8 randomly selected states are listed below. Estimate the…

A: From the provided information, Sample size (n) = 8 Sample mean (x̅) and sample standard deviation…

Q: Suppose a random sample of n measurements is selected with probability of success p = . 35. Given n…

A: Solution: From the given information, p=0.35 and n=200.

Q: Find the range, the standard deviation, and the variance for a given samples.(Round non- interger…

A: Solution: The given data is 3, 5, 7, 8, 12, 20, and 25 The maximum value is 25 and the minimum value…

Q: The population has a mean of 30 and a standard deviation of 6. The sample size of your sampling…

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Q: What sample size should be used in a study conducted to estimate the average monthly absences of…

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Q: In a large population, 55% of the people get a physical examination at least once every two years.…

A: The known values are, n = 100, p = 0.55 The mean of the sampling distribution is,

Q: Suppose that the rice mill wants to test its product to find out whether it meets the average weight…

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: he annual salary for a certain job has a normal distribution with a mean of $54, 000 and a standa…

A: Answer 1: Sample size 30 or greater than 30   Answer 2:   As the sample size is higher than 30, it…