The average earnings per share (EPS) of 36 banks is $3.2 and the standard deviation is $0.84. At significance level of 5%, which of the following statement is correct?

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Q: Consider a sample with a mean of 500 and a standard deviation of 100. What are the z-scores for the…

A: The mean is 500 and the standard deviation is 100.

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A: From the provided information, Sample size (n) = 137 Sample mean (x̅) = 502 Population standard…

Q: if an approxemitly  bell shaped distribution has a mean of 30 and standard deviation of 5, what…

A: Given that  X~N( μ = 30 , ? = 5 ) μ = 30 , ? = 5 Formula for Z-score Z-score =( x - μ )/?

Q: If the variance of a particular data set is 7.5820, the standard deviation is

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Q: Match the following summary statistics to the type of distribution.   A.  Left Skewed B. Normal…

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A: The relative frequency distribution of section 1 scores and section 2 scores, are given.

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

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Q: Calculate the Mean and Standard Deviation for the data given below. Class 5 10 15 20 25 30 35 40…

A: Given Data :

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A: Give Standard deviations=7 Mean=25 P(x>40)=?

Q: For a population with a mean of μ = 55 and a standard deviation of σ = 69, what is the standard…

A: Answer - For a population with a mean of μ = 55 and a standard deviation of σ = 69,             what…

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Q: Compute for the median, and standard deviation of the given data

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Q: 24. Suppose annual salaries for sales associates at Target have a mean of $32,500 and a standard…

A: According to the provided information, Mean (μ) =$32500 Standard Deviation (σ) = $2500

Q: The Virginia Cooperative Extension reports that the mean weight of yearling Angus steers is 1152…

A: a) Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: A data set with roughly a bell-shaped distribution has mean 45 and standard deviation 12.…

A: The percentage of the observations lie between 33 and 57 is obtained below:Let X be an observation…

Q: Consider a sample with a mean of 500 and a standard deviation of 100. What are thez-scores for the…

A: Introduction: Consider X as a normally distributed random variable, with mean μ and standard…

Q: 1. The standard deviation provides an overall measurement of how much participants' scores differ…

A: Given data: The standard deviation provides an overall measurement of how much participants' scores…

Q: The final exam scores in a statistics class were normally distributed with a mean of 63 and a…

A: The final exam scores in a statistics class were normally distributed with a mean of 63 and a…

Q: Consider a sample with a mean of 500 and a standard deviation of 100. What are the z-scores for the…

A: Consider that the sample mean and standard deviation of a random variable x are x̄ and s,…

Q: If research samples 28 college students and wants to compare the sample mean of 8 to the population…

A: From the provided information, Sample size (n) = 28 Sample mean (x̄) = 8 Population mean (µ) = 12…

Q: If the average salary of a computer programmer is $71, 800 with a standard deviation of 13, 000,…

A: I am attaching image so that you understand each and every step.

Q: In 1970, adults who were 18 years or more had a mean systolic blood pressure (SBP) of 148 mm Hg.,…

A: Given that in 1970 adults who were 18 years or more had a mean systolic blood pressure (SBP) of 148…

Q: Consider the following data: 10,6,1,2,8,9 Calculate the value of the sample standard deviation.…

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Q: In a survey, 35 people were asked how much they spent on their child's last birthday gift. The…

A: Confidence interval is a concept closely related to interval estimation. Confidence interval is…

Q: suppose the heights of 18-year-old men are approximately normally distributed, with mean 73 inches…

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Q: For a population with a mean of μ = 45 and a standard deviation of σ = 10, what is the standard…

A: Obtain the standard error of the distribution of sample means for sample size n=4 scores. The…

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Q: For a population with a mean of 72 and a standard deviation of 10 what is the standard error for a…

A: Givena mean of 72  standard deviation of 10  sample of four scores

Q: An employer claims that full time employees have a mean income of $35,000. A sample of 200 employees…

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Q: examination. Scores on the GMAT are roughly normally distributed with a mean of 527 and a standard…

A: Given data,μ=527σ=112P(X>437)=?

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Q: As reported in Runner's World magazine, the times of the finishers in the New York City 10- km run…

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Q: What percent of the distribution is included within 1.75 standard deviation? *

A: here use chebyshev's theorem for given problem

Q: In what percentile is an infant’s body weight of 7 pounds, if infant body weights at that age are…

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Q: For a population with a mean of μ = 55 and a standard deviation of σ = 17, what is the standard…

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Q: Assuming that the heights of college women are normally distributed with mean 68 inches and standard…

A: Given Mean=68 Standard deviation=3

Q: Suppose there is a city where the mean cost per month of a one-bedroor apartment is $1,500, with a…

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Q: Given a mean of 75 and a standard deviation of 7, what percentage of scores are above 85?

A:

Q: According to Chebyshev's Rule, at least what percent of observations must be within 2.5 standard…

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Q: Interpret the ­z-score of 1.45 in terms of its relationship to standard deviation as well as the…

A: Solution: From the given information, z=1.45.

Q: In a normal distribution with a mean of 72 and a standard deviation of 12, what percentage of…

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Q: What is the standart-deviation of the following data? (select the closest value) Class Frequency 2.7…

A: The table that shows the calculations is shown below: The sample mean is calculated as follows:

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

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