Given SD=1.4,CV=35% or0.35
CV =SD/Mean
Therefore
Mean= SD/CV
=1.4/0.35
Mean =4
CV (Coeffiicient of Variration)
SD (standard Deviation)
QUESTION 3 What is the value of the mean if a distribution has a coefficient of...
Consider a distribution with a mean of 15 and a standard deviation of 3. If an observation from the distribution has a z-score of -2, what is the value? Consider a distribution with a mean of 15 and a standard deviation of 3. If an observation from the distribution has a z-score of -2, what is the value?
Coefficient of Variation The coefficient of variation standardizes a variable's dispersion (standard deviation) relative to its mean. Imagine two variables, each with a standard deviation of 20. If Variable 1 has a mean of 100 and Variable 2 has a mean of 10, it is obvious that has more relative uncertainty. The coefficient of variation, the amount of risk per unit of the mean, is found by dividing the standard deviation by the mean, as follows: CV = Standard Deviation...
Name: 1. Suppose you have the following probability distribution. Calculate the mean, variance, standard deviation, and coefficient of variation. State of Nature Profit Level Probability of Occurrence 500 0.3 Optimistic Most Likely Pessimistic 100 0.6 -400 0.10 QUESTION 1 What is the mean? 68,100 O 1.5 0 261 O 170 None of the above QUESTION 2 What is the standard deviation? 68,100 1.5 261 170 None of the above QUESTION 3 What is the coefficient of variation? 68,100 0 1.5...
The coefficient of variation CV describes the standard deviation as a percent of the mean. Because it has no units, you can use the coefficient of variation to compare data with different units. Find the coefficient of variation for each sample data set. What can you conclude? Standard deviation CV Mean Click the loon to view the data sets. 0 Data Table - 100% Creights - % (Round to the nearest tenth as needed.) Heights Weights Print Done
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A design has an expected distribution of stress with a mean value of 1 MPa and a standard deviation of 0.3 MPa. The strength of the design is expected to have a mean value of 2 MPa and a standard deviation of 0.2 MPa. Both can be assumed to be normal distributions. What is the expected failure rate of the design?
Question 2 Normal model a. A cut-off score of 79 has been established for a sample of scores in which the mean is 67. If the corresponding z-score is 1.4 and the scores are normally distributed, what is the standard deviation? b. The standard deviation of a normal distribution is 12 and 95% of the values are greater than 6. What is the value of the mean? c. The mean of a normal distribution is 130, and only 3% of...
This data is from a sample. Calculate the mean, standard deviation, and coefficient of variation. 49.1 41.2 21.9 40.5 17.5 35.2 30.3 Please show the following answers to 2 decimal places. Mean - Standard Deviation - Coefficient of Variation % (Please enter a whole number.)
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