Using your calculator, find the range and standard deviation, round to The table below gives the number of hours spent watching TV last weel 87 34 21 25 62 25 47 89 89 87 47 52 34 21 31 7 47 43 63 89 26 90 92 11 Range

Q: A person in the U.S. eats about 25 pounds of M&M's per year with a standard deviation of 3 pounds.…

A: Given information Mean µ = 25 pounds Standard deviation σ = 3 pounds Z = -2

Q: Mean 255, x is 230 and z score is -2 find standard deviation

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Q: Describe about the mean absolute deviation.

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Q: Scores on a test have a mean of 86 and a standard deviation of 13. Jerrica has a score of 94.…

A:

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: Isn't here the standard deviation equal to 4, not 2, as the tutor wrote?

A: Solution-: Given: μ=-3,σ=4 We want to find, P(0<X<2)=? Draw the picture.

Q: how do you calculate the mean and standard deviation without a calculator ?

A: In this question we have to tell that how to find the Mean and Standard deviation without using the…

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: When we compute a standard deviation, we are trying to get a measure of the average distance of…

A: Let us understand better by assuming X1, X2, ...., Xn be n data points. Then,…

Q: The mean grade on a statistics exam is/M=82, the standard deviation is=12. What actual grade has a…

A: The normal distribution  in the center are generally denser and basically less denser at tails.…

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

A:

Q: the average grade is 84 with a standard deviation of 4. What is each grade for -1 2 0 1.5 -1.25

A: Given Mean μ=84Standard deviation σ=4 The formula for Z score isZ=X-μσX=Z×σ+μ

Q: How does the curve change when the standard deviation is the same and the mean changes?

A: The mean is the center of symmetry of a curve or normal density curve.

Q: In a population of exam scores, a score of X = 88 corresponds to z = 2 and a score of X = 79…

A: From the provided information, A score of X = 88 corresponds to z = 2 A score of X = 79 corresponds…

Q: ou find the standard deviation in the most easiest way?

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

Q: 1. A pair of fair dice is rolled, and the sum of their faces is recorded. The probabilities of each…

A: Standard deviation: The positive square root of mean squares of the deviation taken from the…

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?

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Q: I don't understand how to use the given information to answer the questions about the mean and…

A: Given probability distribution…

Q: Explain Mean of the Squared Deviations?

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Q: The United Nations stores statistics about all the live births in the United States. The latest data…

A:

Q: Explain the effect of the standard deviation on power?

A: Six ways to increase the power for the study: Increasing effect size by increasing difference…

Q: Why would you use mean absolute deviation as opposed to the mean average?

A: Mean = average of all data points .

Q: from the

A: The standard deviation and average deviation,  are two of the most frequently used measures for…