A population has a mean μ = 83 and a standard deviation = 29. Find the mean and standard deviation of a sampling distribution of sample means with sample size n = 252.

Q: Find the variance and the standard deviation for the sample 2 use the definitional formula: SS =…

A: x=3,11,9,2,6,4sample size(n)=6

Q: The mean weight of junior high school students is µ = 45 kg. If a random sample of 90 students is…

A: Here, µ = 45 kg and σ=3.5 kg  Mean of the sampling distribution: μx¯=μ=45

Q: the mean and the standard deviation of the sampling distribution. Compute the mean and standard…

A: According to the Central limit theorem, if the sample size, i.e, n is greater than 30, the…

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

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Q: The population mean is 75 and the population standard deviation = 6. Random samples (containing 16…

A: Given , The population mean ( n )   = 75 ,  the population standard deviation ( σ )= 6

Q: An educational study to be conducted requires a test score in the middle 40% range. If the mean is…

A: Let us assume X=score Given that X follows a normal distribution with mean= 100 and standard…

Q: A simple random sample of 36 observations was taken from a large population. The sample mean and the…

A: The sample mean and the standard deviation are μ = 80 and σ = 12 respectively.Let X denotes the…

Q: The mean of a population (μ) is 120 and the standard deviation is 20.  What is the mean of the…

A: From the provided information, Mean (µ) = 120 Standard deviation (σ) = 20

Q: The population has a mean of 14 and a standard deviation of 3. The sample size of your sampling…

A:

Q: Find the mean and standard deviation of the indicated sampling distribution of sample means. Then…

A: Given Information: The annual salary for one particular occupation is normally​ distributed, with a…

Q: Calculate the weighted mean for sample 1 and sample 2. Sample 1 has 24 scores with a mean of M =…

A:

Q: Find the variance and the sta Use the computational formula: SS = X 7 9 (Ex N

A: Data set :7,9,5,3,6,4,11

Q: A random sample of 100 male students is drawn from a particular class. The mean and standard…

A:

Q: A random sample of 18 light bulbs is drawn from a normally distributed population. The population…

A:

Q: ACT scores at Ardrey Kell High School are Normally distributed with mean 26 and standard deviation…

A: Given Information: First Sample: ACT scores at Ardrey Kell High School are Normally distributed with…

Q: students has an average of 300 dollars and a standard deviation of 1,000. Suppose that we take a…

A: It is given that the random variable X i.e, the amount of money in savings accounts follow normal…

Q: The mean and standard deviation of a population are 200 and 20, respectively. Sample size is 25.…

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Q: if the standard deviation of a sample is 0.5 find the variance

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Q: Find the range variance standard deviation of the frequency distribution

A: Given data is Class Interval Frequency Class Boundaries class Mark c.f 16-22 11 15.5-22.5 19 11…

Q: Give the mean and the standard deviation of the distribution of means for mean=100; Variance=100;…

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Q: compute the range, variance, and standard deviation for the two samples

A: The Data is given as: Atlanta(x) Salt Lake City(y) 340.1 570.1 321.6 354.6 291.6 465.6…

Q: Determine the mode and standard deviation of the data

A: The frequency distribution from given graph is written as,: underline; position: relative;…

Q: Find the sample standard deviation for the following data set: 22 13 34 27 18 O 8.1 52.6 7.2 65,7

A:

Q: Use statistical analysis, i.e., the standard error of the mean, to determine the uncertainty of the…

A: According to the given information in this question We need to find the standard error of mean

Q: When sampling from a population with mean μ and standard deviation σ, the sampling distribution of…

A: Given that  Population with mean μ and standard deviation σ

Q: This data is from a sample. Calculate the mean, standard deviation, and variance. x 41.4 29.8 34.5…

A: X=41.4,29.8,34.5,33.4,39,34.6,42.7,44.9,28.7,12.5,36.7sample size(n)=11

Q: A simple random sample of 36 observations was taken from a large population. The sample mean and the…

A:

Q: Calculate the standard error for a sample mean when the population standard deviation is 221.6 and…

A: Given data N = 36 SD = 221.6

Q: What is the mean and the standard deviation of the sampling distribution of the sample mean

A: We have given that the population has mean 120 and standard deviation is 10. The sample size is…

Q: The mean and standard deviation of a population are 400 and 40 respective. Sample size is 25. What…

A: It is given that the  The mean and standard deviation of a population are 400 and 40 respectively.…

Q: 10 11 12 13 14 P(X) 0.4 0.2 0.2 0.10.1

A: Given data,

Q: A random sample of 18 light bulbs is drawn from a normally distributed population. The population…

A: Since, the samples are drawn from the normal population thus sampling distribution of sample mean…