What is the standard deviation of the data?

Q: Find mean and standard deviation of 1500 males

A: Assume, x be the random variable representing the heights in inches. x be the mean value of x. s be…

Q: Find the mean deviation about median

A: Here given frequency distribution of height

Q: As the sample size             , the standard deviation of ?¯x¯             . increases; decreases…

A: The formula for sample standard deviation can be written as:

Q: What is formula of Standard Deviation?

A:

Q: What is the formula for STANDARD DEVIATION FOR POPULATION?

A: The standard deviation for population is indicated by the symbol (σ)

Q: A normal distribution has a mean of 100 and a standard deviation of 15. What is the median for this…

A: Given Mean μ=100, standard deviations σ=15

Q: To measure variability, why is the standard deviation usually preferred over the range? Give an…

A: (a) The standard deviation is used to calculate the variability of the data set. It tells us about…

Q: Define mean absolute percent deviation?

A: The question is about error in forecasting  Introduction : There are following types of error in…

Q: What is the mean of the distribution? What is the standard deviation of the distribution?

A: Given Mean1=30 Mean2=27 n1=41 n2=57

Q: How do I find the standard deviation?

A: Measures of dispersion:The variation of data distribution can be identified from the measures of…

Q: What is the 80th percentile if the mean is 3 and the standard deviation is 0.6

A: It is given that µ= 3, σ= 0.6.

Q: How to find the standard deviation

A: Mean:Mean is a measure of center in case of quantitative data. Mean of a data set is the sum of the…

Q: Calculate the standard deviation

A:

Q: Approximately what percentage of normally distributed data values will fall within 2 standard…

A: It is known that, normal curve is a symmetric and bell shaped distribution.

Q: How do we calculate standard deviation?

A: Standard Deviation A number that expresses how much the members of a group deviate from the group's…

Q: Why does Mean of the Deviations Not a Useful Measure?

A:

Q: What is the difference between standard deviation and mean?

A: Standard deviation: The standard deviation is based on how much each observation deviates from a…

Q: What is the corresponding Z score ? Mean is 70, standard deviation is 10 and X= 89

A: We have to find z score.

Q: What does a relatively small standard deviation indicate?

A: Here we have to explain What does a relatively small standard deviation indicate?

Q: What is the standard deviation of the average fill volume of 100 cans?

A: We have given that the fill volume of cans are independent, normal random variables. The standard…

Q: Why is the standard deviation important? Give specific examples to illustrate your understanding.

A: Standard deviation is the measure of the amount of dispersion of a set of values A lower standard…

Q: What are the best ways to find the standard deviation?

A: Standard deviation is a measure of variability. It describes how far the data falls from the…

Q: How does one calculate the standard deviation?

A:

Q: Explain an important difference between the standard deviation and the mean.

A:

Q: In a normal distribution, approximately what percent of data items fall within 1 standard deviation…

A: Empirical rules:1) P(μ-σ<X<μ+σ)=68%2) P(μ-2σ<X<μ+2σ)=95%3)P(μ-3σ<X<μ+3σ)=99.7%

Q: How is standard deviation a measure of distance?

A: We know that the standard deviation is the measure of the dispersion of data which is based on…

Q: Explain in your own words how an understanding of the average deviation can provide a…

A: Average deviation providing steeping stone:

Q: What is the difference between the standard deviation and CV? When it is appropriate to use each…

A: Standard deviation: It is square root of variance. It is obtained by taking square root of sum of…

Q: What is the standard error of the mean and how is it different than the standard deviation?

A: Let us consider that we have taken k random samples each of size n from a certain population: Sample…

Q: What is the largest deviation ? What is the smallest deviati

A: Given: Number of households = 10 0 4 1 2 3 1 1 2 0 1 Mean, μ=Sum of ObservationsNumber of…

Q: How I can calculate the standard deviations of each of the two differentassets?

A: Standard deviation is the positive square root of the mean of the squares of the deviations of the…

Q: Square of the standard deviation is called

A:

Q: Define mean absolute deviation?

A: The mean absolute deviation is a measure of descriptive statistics. Here the words "mean" and…

Q: What us the variance of a distribution having a standard deviation of 5.26?

A: Given, standard deviation=5.26 find variance=?

Q: Calculate The mean and standard deviation

A: Given Information :  On the midnight shift, the number of patients with head trauma in an emergency…

Q: How does the slightly different perspective make the standard deviation even more accessible?

A: Standard deviation: It is a measure of how far each observed value is from the mean and standard…

Q: What relation exists between the average deviation of the mean?

A: Note: Hi there! Thank you for posting the question. As your question is not clear, as per the…

Q: Can the standard error ever be larger than the population standard deviation? Explain your answer.

A:

Q: Explain Why can’t the value of the standard deviation ever be negative?

A: Standard deviation is basically the square root of the variance and variance quantifies the amount…

Q: Explain the standard deviation?

A: Standard deviation: Both the standard deviation and the variance are based on how much each…

Q: Determine the mean and the standard deviation.

A: We have Given a binomial Distribution that is our random variable X~b(n,p) with parameter n=50,…

Q: how to calculate standard deviation

A: Mean:Mean is a measure of center in case of quantitative data. Mean of a data set is the sum of the…

Q: What is the Standard Deviation and the Percentage that falls within the 1 Distance of Standard…

A: N=30 for the given data  First we will calculate mean  We have to calculate standard deviation and…

Q: What conclusion can you make base on the standard deviation?

A: Answer:

Q: What is the variance of a data set with mean score of 87.5 and a standard deviation of 2?

A:

Q: Explain about the standard deviation Actually Exceeds Mean Deviation?

A: Measures of Dispersion: The word dispersion is used to denote the degree of heterogeneity in the…

Q: I need help with understanding standard deviation.  How to calculate it from the mean?

A: The standard deviation describes the spread of the data distribution from the mean of the given data…

Q: How can get the standard deviation within the measures of dispersion or variability ?

A: From the given information, First it is required to understand the measure of dispersion or…

Q: When you have significant results in data analysis, it is customary to report all relevant means and…

A: Data Analysics is a process of inspecting, cleansing, transforming, and modeling data with the goal…