If the standard error is 3 for the sampling distribution of random samples of size 81 from the large population, what is the sample size drawn from the sample population would have for a given standard error of 2.7? A 9 B 36 C 81 100

Q: Suppose that we take a random sample of size n from a population having a mean (m) and standard…

A: From the provided information, 1) Population mean (m) = 500 Population standard deviation (s) = 0.5…

Q: Calculate the standard score (z-score) of the given sample mean. Round your answer to two decimal…

A: Given,mean(μ)=12standard deviation(σ)=5sample size(n)=83sample mean(x¯)=11

Q: For a population with = 80 and = 20, the distribution of sample means based on n = 4 will have a…

A: According to the given information, X have mean µx = 80 and the standard deviation of σx = 20.

Q: Problem Solving 1. Random samples with size 5 are drawn from the population containing the values…

A: 1a) The number of possible samples with size 5 of 6 population units will be 6C5 = 6 b) The sample…

Q: Use the Central Limit Theorem to find the mean and standard error of the mean of the sampling…

A: We have to find given sampling distribution.

Q: The sampling distribution of the sample mean is centered at the mean of the original population and…

A: The sampling distribution of the sample average follows an approximately normal distribution with a…

Q: You assume equal variances in a two-sample t-test. n1 = 12 and d.f. = 18. What is n2?

A: It is given that n1 =12 and df =18.

Q: In a dependent sample t-test, you calculate the standard deviation for the  a) difference scores b)…

A: In this we have to tell that, for what values we calculate the standard deviation while using the…

Q: a. As the sample size increases, the standard error of the mean increases. O True O False b. Suppose…

A:

Q: For the sampling distribution of the mean, o = o. O True O False

A: From the provided information, Sampling distribution of the mean σx̄ = σ

Q: Q8. What happens to the standard error of an estimate when the sample size in a simple random sample…

A:

Q: Define the term “Standard Error of M” b. What happens to standard error of M as sample size…

A: Given See the handwritten solution

Q: When a random sample of participants is selected from a population, the sample mean is not expected…

A: See the below answer

Q: The annual salary for one particular occupation is normally​ distributed, with a mean of about…

A: Population mean μ =136000 Population standard deviation =16000 Sample size n =30

Q: Suppose a random sample of n= 320 teenagers 13 to 17 years of age was asked if they use social…

A:

Q: Given a non-normal population with a variance of 49 and mean of 3. If the size of a sample is n =…

A: We have given that  Variance =49 , mean= 3 Sample size = 81 Then standard deviation = sqrt(…

Q: 36% of a population has a particular characteristic. If samples of size n=400 are taken, calculate…

A: Solution: From the given information, the probability of a particular characteristic is 0.36 and the…

Q: Suppose 65% of all college students find watching TV a waste of time. The population proportion is…

A: Consider that p is proportion of all college students find watching TV a waste of time.

Q: H Find z when = The z-score for the sampling distribution is given by z = 15, 4 = 15, o, = 22, %3D…

A: As givev,  x¯ = 15 μx =15 σx=22 n = 16 It is required to obtain the z-score.

Q: Q13. What happens to the standard error of an estimate when the sample size in a random sample SRS)…

A:

Q: The symbol x¯ represents the population mean of all possible sample means of size n. False True

A: The correct option is identified below: Population mean: Sample mean:

Q: In sampling without replacement from a population of 900, it's found that the standard error of the…

A:

Q: sampling distribution (dotplot) for the mean quiz score for a sample n = 30 of STAT101 students is…

A:

Q: Consider a population proportion p = 0.27.  Calculate the standard error for the sampling…

A: It is given that population proportion p = 0.27.  The standard error of the sample proportion is…