Q: The standard deviation of (1,9,8,4) is approximately what?
A:
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Q: Suppose that X is normally distributed with mean 110 and standard deviation 18. What proportion of…
A: Given that, Mean = 110 Standard deviation = 18
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A: Standard deviation: σ=xi-x2n
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A: Below is the Example
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A: GivenMean(μ)=229standard deviation(σ)=57
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A: Solution
Q: Assume that IQ scores are normally distributed, with a standard deviation of 17 points and a mean of…
A: From the information, the sample size is 110, mean is 100 and standard deviation is 17.
Q: What is the Mean deviation of the numbers 0.5, 0.8, 1.1, 0.9 and 0.6
A: The data is given by 0.5, 0.8, 1.1, 0.9, 0.6 And the mean of these numbers is Mean = (0.5 + 0.8 +…
Q: The standard deviation of (1,9,8,4) is approximately?
A: Given Information: 1,9,8,4
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A: we have given: 1) n= 23 2) x¯=95.4 3) s=22.2
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Q: What is the standard deviation of the following: 23, 41, 22, 37, 48, 36?
A: We have given the data set and we have to find standard deviation. Now, Now, variance-
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A: Two situations in which comparing two population standard deviations would be important is obtained…
Q: The mean number of hours per day spent watching television, according to a national survey, is 3.5…
A: From the provided information, Mean (µ) = 3.5 Standard deviation (σ) = 2
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A: Given,mean(μ)=8standard deviation(σ)=2and the distribution is normal
Q: What is the standard deviation of the data {7, 1, 7, 10, 5, 3, 2}?
A:
Q: 2) The scores of a college entrance test are normally distributed with mean 400 points and standard…
A: Note: Please repost 3rd question as i can answer only 1 question as per my policy. 2) Given data,…
Q: 2. According to the empirical rule, approximately what percentage of normally distributed deviations…
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Q: What is the verbal SAT score such that only 16% of admitted students had a higher score?
A: It is given that Mean, μ = 660 Standard deviation, σ = 40 Z-Score, Z = ( X - μ )/σ
Q: Using the empirical rule, what percentage of accused scores are between 70 and 138?
A: Let X denote the IQ scores. Given that X follows N(mean = 104, SD = 17).
Q: Suppose the total weight of passengers and luggage on an airline flight is normally distributed…
A: Mean(µ) = 8914 Standard deviations (σ) = 32 X ~ N (µ, σ )= N(8914, 32)
Q: Calculate the standard deviation for the data set below: 1, 3, 4. 5, 6, 9, 12, 16 (X-Mean) (X-Mean)?…
A: According to the problem,we have
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Q: According to Financial Executive, disability causes 48% of all mortgage Given that 20 mortgage…
A: Given,n=20p=0.48q=1-0.48=0.52x~Binomial(n=20 , p=0.48)
Q: What percentage of teenagers sleep less than 9 hours?
A:
Q: 4. If for 21 observations, mean and standard deviations of a variable X are 105 and 13 respectively.…
A:
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