The following population distribution has a mean of 5 and a standard deviation of 2.89. Suppose you plan to take a sample of size 100. what is the standard deviation of the sampling distribution of x̅?

Q: Need the answer to question 6.

A: (6)The provided information are:

Q: for a population with a mean of u=72 and a standard deviation of σ=10, what is the standard error of…

A: Given,mean(μ)=72standard deviation(σ)=10

Q: For a population with the mean of u = 45 and a standard deviation of 10, what's the standard error…

A: Given that, Mean = 45 Standard deviation = 10

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5 find P(X…

A: Solution:From the given information, normal distribution with population mean as 35 and standard…

Q: When n 2 30 and the population standard deviation is not known, what is the appropriate…

A: Given : n≥30 population standard deviation is not known.

Q: For any Normal Distribution, approximately . of the observations fall within three standard…

A: Normal distribution is given.

Q: Suppose a nomal distribution has a mean of 50 and a standard deviation of 3. What is Aes 47y OA 0.16…

A: Given that a normal distribution has a mean of 50 and a standard deviation of 3. That means μ=50 and…

Q: For the Reese's pieces scenario, compute the standard deviation of sample taking if the size of the…

A:

Q: A National Center for Health Statistics survey suggested that, in the late 1970s, the mean serum…

A:

Q: Which of the following is the correct formula for the margin of error of a population mean where the…

A: Margin of error: A margin of error is a statistical measurement for the diff. between actual and…

Q: For the following sample of scores: 28 22 38 26 14 8 4 If the mean is 20, Then the standard…

A: Given x-bar=20 n=7

Q: A distribution with a mean of μ = 87 and a standard deviation of σ = 12 is transformed into a…

A:

Q: For a sample with mean M=80,  a score of X=88 corresponds to z=2. What is the standard deviation?

A:

Q: Given that the mean for a data set is 24.8 and the standard deviation is 2.3, find the z-score of…

A:

Q: In a normal distribution, 99.7% of the data fall within how many standard deviations of the mean? A.…

A: Solution-: In a normal distribution, 99.7% of the data fall within how many standard deviations of…

Q: . The following dotplot shows the number of three-point shots made by each of the 30 NBA teams in…

A: Given information: The data represents the values of the number of 3-point shots made by each of the…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days…

A:

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days…

A:

Q: Given a distribution that has a mean of 37 and a standard deviation of 12, calculate the probability…

A:

Q: For the Reese's pieces scenario, compute the standard deviation of sample taking if the size of the…

A: Answer - For the Reese's pieces scenario, the size of the samples is n =  200 and the proportion of…

Q: Suppose that, for a certain mathematics class, the scores are normally distributed with a mean of 75…

A:

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5 find P(X…

A: Given dataMean = 35Standard deviation = 7.5

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5 find P(X <…

A:

Q: A normally distributed population has a mean of 88 and a standard deviation of 10. When a sample of…

A: Here the given population mean is 88 and population standard deviation is 10.

Q: For a t distribution with 15 degrees of freedom, 90% of the distribution is within how many standard…

A:

Q: The price-earnings (PE) ratios of a sample of stocks have a mean value of 10.75 and a standard…

A: Empirical Relationship: The empirical rule states that if a distribution is unimodal and symmetric…

Q: A hypothetical distribution for a population of test scores has a mean of 60.4, a median of 62.8,…

A: According to the given information in this question We need to find standard deviation of sampling…

Q: The following are observations on the number of monthly Zoom sessions attended by a sample of 10…

A: Standard deviation is a measure of dispersion and important measure of dispersion. It used to…

Q: If an entire population with μ = 60 and s = 8 is transformed into z-scores, then the distribution of…

A: Given X~N(μ,σ) population mean μ=60 population standard deviation σ=8 The formula for a…

Q: In a small company of 10 people the salaries are as follows: 5 people earn $25,000, 3 earn $27,000,…

A: Questions   find mean (x→) and standard deviation (σ).   Data Given - 5 people earn $25,000   3…

Q: with a sample average of 80 and a raw score of 76. Would you prefer a standard deviation of s=2 or…

A: A standard deviation of s=2 is preferred.

Q: What is the value of k?   What is the standard deviation?

A: Here use basic of discrete probability distribution

Q: for the following scores: 3, 6, 1, 6, 5, 3 1) suppose this is a sample, compute the sample standard…

A: From the Given Data: x¯=∑xn=3+6+1+6+5+36=246=4 x x-x¯ x-x¯2 3 -1 1 6 2 4 1 -3 9 6 2 4 5…

Q: Consider the normal distribution of IQs with a mean of 100 and a standard deviation of 16. What…

A:

Q: Given that the mean weight of senior high school students is 65kg with a standard deviation of 10.…

A: Given information Population mean µ = 65 kg Standard deviation σ = 10 We have to determine the…

Q: Given that the mean of a data set is 20, and the standard deviation of this data se is 8, then what…

A: Given data,μ=20σ=8x=40z=?

Q: Suppose annual salaries for sales associates from Hayley's Heirlooms have a bell-shaped distribution…

A: It is given that the annual salaries are distributed bell shaped (approximately normal) with mean of…

Q: Suppose a normal distribution has a mean of 79 and a standard deviation of 7. What is P(xs 93)? O A.…

A:

Q: (O) What is the standard deviation of a distribution that has a mean of 46.2 if a PERFORMANCE value…

A: From the provided information, Mean (µ) = 46.2 Performance value (x) = 28 Z score = -1.24

Q: For a population with a mean of μ= 40 and a standard deviation of σ= 6, find the z-score…

A: From the provided information, Population mean (µ) = 40 Standard deviation (σ) = 6 a) Sample size…

Q: (d) What height is at the 20th percentile? (e) What height is at the 80th percentile? (f) What…

A: mean = 70 s = 4

Q: If you draw a sample of 200 from a normal distribution and using the empirical rule; how many data…

A: Empirical rule: On a normal distribution about 68% of data will be within one standard deviation of…

Q: The following percentages of chloride were found: 32.52%, 32.14%, 32.61%, and 32.75%. Find the mean,…

A: The following percentages of chloride were found: 32.52%, 32.14%, 32.61%, and 32.75%  We can rewrite…

Q: For a population with mean of 50 and standard deviation of 8, what is the z- score that corresponds…

A:

Q: A sample of n = 25 scores has a mean of M = 83 and a standard deviation of s = 15.   Explain what is…

A: In this case, the sample size is n = 25, the sample mean is M = 83 and the sample standard deviation…

Q: For a sample, a score that is 12 points above the mean has a z-score of z = 1.20. What is the sample…

A: We have to find sample standard deviation

Q: For a population with mean of 50 and standard deviation of 8, what is the raw score that corresponds…

A: GivenMean(μ)=50standard deviation(σ)=8z=2.50

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.