In order to estimate the mean salary for a population of 500 employees, the president of a certain company selected at random a sample of 40 employees. Would you use the finite population correction factor in calculating the standard error of the sample mean? Explain.

Q: calculate the standard error of the sampling distribution of the sample statistic

A: Let S.E denote Standard Error. Let sample mean be the sample statistic.

Q: A survey is conducted to determine the opinions of people on global warming. In a random sample of…

A:

Q: Suppose the true proportion of voters in the county who support a restaurant tax is 0.64. Consider…

A: We have given that  The true proportion of voters in the county who support a restaurant tax is…

Q: What is the procedure for determining the sample size necessary to estimate a population mean given…

A: The population mean CI for known population standard deviation is X¯± ( Zα2σn)where X¯=sample mean…

Q: Describe how to Convert a Sample Mean to z.

A: z-score denotes the standardized normal score.

Q: Describe about the three important properties of the sampling distribution of the mean.

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Q: What are requirements for testing a claim about a population mean with a known?

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Q: A university dean of studentswishes to estimate the average number of hours studentsspend doing…

A:

Q: If the size of a sample is 64 and standard error of mean is 1.5.What should be the sample if…

A:

Q: Suppose the true proportion of voters in the county who support a school levy is 0.49. Consider the…

A:

Q: Describe about the hypothesis testing for population mean.

A: Single mean test: Single mean test is used to compare the mean of a variable in the sample of data…

Q: Suppose you wish to find the average annu salary for school teachers in the United States. You…

A: Given data,Mean μ=53145sd    σ=16451n=31Find 95% CI?

Q: What is the probability of getting a sample mean between 500 and 520 if the population mean is 500…

A: The population mean is 500 and the standard error of the mean is 20.The probability of getting a…

Q: Suppose a certain Statistics instructor wants to estimate the proportion of students who enjoy…

A: Given datamargin of error=0.03

Q: What are the important characteristics of the sampling distribution of the mean?

A: The sampling distribution of the mean generally has normal distribution as the sample size is large…

Q: It is defined as the maximum likely difference between the observed sample mean and the true value…

A: Here  Sampling Error is defined as the maximum difference between observed sample mean and…

Q: What is the relationship between the standard deviation of the population and the standard deviation…

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Q: What happens to the mean and the standard deviation as sample size increases? Why?

A: It depends on the actual data added to the sample, but generally, the sample standard deviation will…

Q: How do you compute for the variance and standard deviation of the sampling distribution of sample…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: In order to facilitate independent random sampling what must be utilized?

A: Random sampling is the process of taking sample randomly from the population. Independent random…

Q: What is formula for Mean of the Sampling Distribution of the Mean?

A:

Q: What is the sampling distribution in estimating the variance of a population? What are the…

A: The estimation population variance of the sampling distribution, or

Q: A random sample of 260 workers in a high rise office building revealed that 30% were very satisfied…

A: Let the proportion of workers who are satisfied with the quality of work be p^ p^ = 0.30 (point…

Q: A recent article in a college newspaper stated that college students get an average of 6 hrs of…

A: The sample mean is defined as the average value of the sample values that are drawn randomly…

Q: Obtain standard error of an unbiased estimate of population mean. теаn.

A: Answer: For the given data,

Q: A doctor believes that 80% of all patients having a particular disease will be fully recovered…

A: From the provided information, A doctor believes that 80% of all patients having a particular…

Q: use a sample to draw an inference about a population

A: The population is a set of all the possible observations about a specified characteristic of…

Q: What does the sampling distribution of the mean allows determining?

A: Concept of sampling distribution of sample mean: Let a particular characteristic of a population is…

Q: What is the target sample size for a population of 3,500 people with a standard value of 1.65 and a…

A: Solution-; Given: N=3500, Standard value (V)=1.65,sampleing error (Se)=0.10 We find the target…

Q: What are the conditions to satisfy to conduct a one-sample t-test for the population mean

A: Determine the conditions that used to satisfy to conduct the one-sample t-test for the population…

Q: what is a sampling error?

A: Description of parameter and statistic:A characteristic that describes population is called a…

Q: I am lookin for the relationship between the sample mean and the population mean and also the…

A: An estimate mus be having few properties in the sense of best estimate.Unbiasdness is one the…

Q: A researcher selects all of the possible samples with n = 8 scores from a population and computes…

A: The mean of the sampling distribution of the sample mean is an unbiased estimator for population…

Q: True or false mean is computed as the weighted average of the possible numbers of random

A: Solution: In case of discrete random variable or in discrete distribution  the mean is the weighted…

Q: If the sample size is increased, then the standard error for sample means also increases. True

A: The formula for calculating the Standard error is σ_x̄ = σ/√n

Q: What is the best estimate for the standard error of the sampling

A: Given data,Tota no of students n=14795Who said yes for cyberbullied is x=2219Point estimate is…

Q: Sixty-three percent of U.S. households have a personal computer. In a random sample of 400…

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Q: how many subjects are needed to estimate the mean number of books read the previous year with six…

A: It is given that confidence level is 0.90, standard deviation is 11.3 and margin of error E is 6.

Q: What will happen to the mean of the sampling distribution of the sample means if the sample size…

A: Definition of sampling distribution: If X have any distribution and  sample size is sufficiently…

Q: The U.S. Department of Agriculture reports that the mean cost of raising a child from birth to age 2…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: The standard deviation of the sampling distribution of the sample mean is also called the --------

A: We know that from the definition.  The standard deviation of the sampling distribution of the sample…

Q: (i) Compute the probability that the mean of old process is more than 3403 hours. (ii) Calculate the…

A: Let the parameters corresponding to the first population (before improvement) is represented using…

Q: What is the standard error of the sample mean if your sample size is 36? Give your answer to 2…

A: It is given that  Population standard deviation, σ = 4.8 Sample mean, x̅ = 25.9 Sample standard…

Q: Explain the conditions to compute the standard deviation of the sampling distribution of the mean?

A: According to the Central Limit Theorem, for a population with finite mean and non-zero variance, the…

Q: In order to estimate the mean working hours for a population of 42,800 employees, the HR Manager of…

A: Solution: From the given information, N=42,800 and n=1500.

Q: 4. True or False The standard error for the sampling distribution of the mean is equal to

A: Statndard error is sigma/squre root of n Where n is sample size

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.