A positively skewed population has a mean of ? = 100 and a standard deviation of ? = 15. a. What is the mean of the distribution of sample means for this population? b. If a sample of n = 36 participants is selected from this population, what is the standard error of the mean (?M)? c. What is the shape of this distribution of sample means? Explain.

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A: Given (A2): SE=10 for N=12 (A2): SE= 50, for N=25

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A: Given: X P(x) 0 0.175 1 0.357 2 0.318 3 0.118 4 0.028 5 0.004

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A: Given, Variance=6.25 sd=?

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A: given data standard deviation s = 4 sample size n = 64

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A: Solution-: We have following table: Class Freq (fi) 0-20 32 21-40 16 41-60 13 61-80 10…

Q: c.    What is the mean of the sample means? d.    What is the standard deviation of the sample means…

A: Let  Mu = population mean  X bar = sample mean n = sample size  Sigma = population standard…

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A:

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Q: What is the standard deviation for the following sample of scores? Scores: 3,2,4,6,6,3

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A: From the provided information, Sample size (n) = 176 Proportion (p) = 0.11

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A: GivenMean(μ)=120standard deviation(σ)=17

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A: The z score is given by Z = 1.31

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Q: For a mean of 70 and a standard deviation of 8, find standardized score for a value of 80. O - 1.25…

A: From the provided information, Mean (µ) = 70 Standard deviation (σ) = 8

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A: Note: Hey there! Thank you for the question. As you have posted a question with more than 3…

Q: With a sample of 62, a population mean of 29, and a standard deviation of 9, what is the standard…

A: Givensample size(n)=62population mean(μ)=29standard deviation(σ)=9

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A: The standard deviation will be obtained as given below:

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A: Sample standard deviation is always an unbiased estimate of population sd.

Q: A B. 1 Doctor visits 0. 1 2. Frequency 7. 149 121 4. 5 54 4. 450 110 12 8. 12 6. 10 8. 14 11 6. 12…

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Q: Given a sample data set with a Variance of 6.25, what is the Standard Deviation of the data set.?

A:

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Q: Assuming the sample mean and standard deviation are indicative of the class as a whole, in what…

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