What does having a higher standard deviation means?
Q: What is the minimum percentage of data values that will come within 2.5 standard deviations from the…
A: To find the minimum percentage
Q: Why is the standard deviation preferable to the range as a measure of variation?
A: A range is the most common and easily understandable measure of dispersion. It is the difference…
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 the corresponding Z- score, mean is 110, standard deviation is 8 and x is 90
A: In question, We'll find the Z - score for mean 110, standard deviation 8 and x = 90. The solution is…
Q: What would be a potentially better alternative to using standard error and standard deviation as the…
A: Standard Deviation : The standard deviation(SD) measures the amount of variability, or dispersion…
Q: What is Standard Deviation? Can it be robust to outliers?
A: Standard deviation is the measure of the spread of the dataFormula for population standard deviation
Q: What distribution is used in this chapter to make inferences for one population 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: 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: What is the standard deviation of y?
A:
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: If the variance of a distribution is 16, the standard deviation is?
A: Solution: From the given information, the variance of a distribution is 16.
Q: Does a small standard deviation signify more or less uncertainty in the data ? Explain.
A:
Q: The admission committee of AUCA passes 61% of those who took the exam. If the scores follow a normal…
A: We have given that. X~N( μ , ?^2 ) μ =350 , ? =25 Z-score =( x - μ )/?
Q: What is the standard deviation of the data?
A: We want to calculate standard deviation
Q: What is the difference between deviation and standard deviation?
A: Before we know the difference between deviation standard deviation, we should know about both these…
Q: A normal distribution has a mean of 62 and a standard deviation of 12. What is the median?
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: Doesn't sound too bad, but which of the following values for the standard deviation would indicate…
A: HERE COMPARE Z- SCORE FOR FINDING WORST SCORE
Q: What is the difference between standard deviation and standard error?
A: Standard deviation: Standard deviation determines how the individual values of the data deviate from…
Q: The variance of a sample of 99 observations equals 81. The standard deviation of the sample equals?
A: From the provided information, The sample variance of 99 observations (s2) = 81
Q: Is it possible to obtain a negative value for the variance or standard deviation?
A: The variance and the standard deviation, which is the square root of the variance are the most…
Q: What does a relatively small standard deviation indicate?
A: Here we have to explain What does a relatively small standard deviation indicate?
Q: Which of the farms are unusual (more than two standard deviations from the mean)? S
A: Given that Mean = 1600 And SD = 300 Also the distribution is bell shaped.
Q: based on this graph, would the median be greater than the mean? or the mean gretaer than the median?…
A: Here data is negatively(right) skewedmore data at higher end
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: There is an average of 4 accidents in a week on a major highway in the city. What is the standard…
A:
Q: A normal distribution has a mean of 61 and a standard deviation of 15. What is the median?
A: Given, A normal distribution has mean of 61 and standard deviation of 15. Properties of normal…
Q: A distribution has standard deviation of 41.9 and mean of 74. What is the coefficient of variation?
A: Given standard deviation=41.9 mean=74
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: The standard deviation of the sample mean is less than the standard deviation of the population.…
A:
Q: Define the term standard deviation?
A: Standard deviation: The standard deviation indicates by how much each observation differs from a…
Q: is 6% is your standard deviation?
A: Given according to question Sample size(N)=? Confidence =95% Margin of error = 5% Now question says…
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 us the variance of a distribution having a standard deviation of 5.26?
A: Given, standard deviation=5.26 find variance=?
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: 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: According to a recent report the battery life for a new line of laptop computers has a mean of 9…
A: The normal distribution:A continuous random variable X is said to follow normal distribution if the…
Q: what is the Mean Absolute Deviation? What is it's purpose?
A: Deviation in statistical term defined as a single (or) more number of data values deviated from 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 is the estimated standard deviation of the difference scores? (four decimals)
A:
Q: After calculating the mean and standard deviation, how do we interpret the result, and when a…
A: The mean is a measure of central tendency and the standard deviation is a measure of dispersion in…
Q: Based on the relationship between the mean, standard deviation, and minimum time, is it reasonable…
A: HERE WE CAN USE THAT minimum value is approx 3 times standard deviation away from mean.
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…
What does having a higher standard deviation means?
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