If the standard deviation of a data set was originally 5, and if each value in the data set was multiplied by 4.8, what would be the standard deviation of the resulting data?
Q: For a list of positive numbers, is it possible for the standard deviation to be greater than the…
A: Mean: The mean defines that the center or average of the data and it is calculated by the sum of the…
Q: On a statistics exam, the mean score was 80 and there was a standard deviation of 7. If a student's…
A: Given data, μ=80σ=7If x=92z=?
Q: If the variance of the recorded weights of nine basketball players is 2.36, what is the value of the…
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Q: If the sum of the weights of a sample of cows is (8568) kilograms and the standard deviation of the…
A: If the sum of the weights of a sample of cows is 8568 kg standard deviation of the weights is 21 kg…
Q: For any population, the sum of the deviation scores will be always equal to zero. true or false
A: Sum of deviation is given as: ∑i=1n(xi-a) Where, a=any arbitrary constant.
Q: If there is a small amount of variation, then the standard deviation is what
A: Standard deviation: It is defined as the positive square root of the variance. It fulfils requisites…
Q: Mary Bartel, an auditor for a large credit card company, knows that, on average, the monthly balance…
A: The standard deviation is 56. Mary audits 50 accounts. That is n=50
Q: If the mean of a list of numbers is 16.7 and the standard deviation is 0,
A: Mean is a measure of central tendency. It is one of the most important measures to find out around…
Q: If the average number of textbooks in professors' offices is 14, the standard deviation is 5, and…
A: Given that For textbooks, mean = 14, and SD = 5 For age, mean = 42, and SD = 10
Q: If 40 is added to cach of a set ofr 25 values, the Coefficient of Variation changes to 40 % and if…
A:
Q: If each score is increased by 25, what will be the mean and standard deviation of the distribution…
A: Given that The distribution of raw scores on particular achievement test Mean = 500 Standard…
Q: If on an average 8 ships out of 10 arrive safely at a port, find the mean and standard deviation of…
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Q: If the mean height of bonsai trees is 52 cm with a standard deviation of 10 cm, 95% of the trees are…
A: NOTE : As per our guidelines we have to answer the first question if multiple questions are posted…
Q: If Quiz A has a mean of 7.6 and a standard deviation of 2.0 and Quiz B has a mean of 7.9 and a…
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Q: Which of the below data sets has the lowest standard deviation? You do not need to calculate the…
A: The standard deviation is used to calculate the variability of the data set. It tells us that how to…
Q: If the range of a data set is 56, find the approximate value of the standard deviation, using the…
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Q: If a set of numbers has a standard deviation of zero, what can you say about the numbers?
A: The standard deviation indicates that amount of deviation of data points from the mean.
Q: The final grades in a math class has a mean of 77 and a standard deviation of 9.77 if the professor…
A: Here we need to find the cutoff for A grade. Given that the top 10% are given A. We assume that the…
Q: A population has a mean of 50 and a standard deviation of 20. Would a score of x=70 be considered an…
A: The mean and standard deviation are 50 and 20.
Q: Suppose that the mean of a set of data is 50.2 and the standard deviation is 4.2. Assume that the…
A: Given μ=50.2, σ=4.2, h=5.1 We want to find the new mean and standard deviation.
Q: If 10 were added to each of the values in a data set that originally had a standard deviation of 6,…
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Q: If the number 8 is removed from the data in Problem 1, is the standard deviation of the remaining…
A: Introduction: It is required to determine how removing the number 8 from the data set affects the…
Q: If you have a population standard deviation of 10 and a sample size of 4, what is your standard…
A: Given,population standard deviation(σ)=10sample size(n)=4
Q: If the standard deviation of a data is 14.50 and if each value of the data is decreased by 5, then…
A: Given : Old standard deviation = 14.50
Q: Suppose a random sample of 25 measurements was taken from a population with a mean of 74 and a…
A: We know that, Sample size (n) = 25 and population mean (μ) = 74 and population standard deviation…
Q: Given that the mean for a data set is 24.8 and the standard deviation is 2.3, find the z-score of…
A: It ia given that Mean = 24.8 SD = 2.3 Value X = 27
Q: A set of data is found to have a sample standard deviation of 25. Suppose 9 were added to each of…
A: Given: s=25 9 is added to each of the values.
Q: Give two situations in which comparing two population standard deviations would be important
A: Two situations in which comparing two population standard deviations would be important is obtained…
Q: If a variable has a mean of 53, a median of 62, and a standard deviation of 4, What is its skewness?
A: The formula to find skewness is given below:
Q: Suppose the average weight for a green apple is 153 grams, with a standard deviation of 27 grams,…
A: GivenFor Green apple Mean(μ)=153standard deviation(σ)=27For Red appleMean(μ)=200standard…
Q: A company pays their employees an average of $52,500 per year. If the standard deviation for the…
A: Given : A company pays their employees an average of $52,500 per year. If the standard deviation for…
Q: In a normally distributed data set a mean of 55 where 95% of the data fall between 47.4 and 62.6,…
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Q: Suppose that for a random sample , the mean is 4 and the coefficient of variation is 87.5 % then the…
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Q: A value of 104.2 would be how many standard deviations above the mean, given a mean of 100, and a…
A: Solution: From the given information, µ=100 and a standard deviation σ=5.6.
Q: If the range of a data set is 64, find the approximate value of the standard deviation, using the…
A: Given information- Range = 64 We have to find the approximate value of the standard deviation using…
Q: If a number is added to a data set which is far away from the arithmetic mean the what happens to…
A: There are two properties regarding the addition of a number to a data set and its effect on standard…
Q: The mean June midday temperature in Desertville is 36°C and the standard deviation is 3°C. Assuming…
A: Determine the number of days in June would be expected the midday temperature to be between 39°C and…
Q: If the mean score on a math quiz is 12.6 and 38.2% of the students in your class scored between…
A: Mean = 12.6 area between 11.1 and 14.1 is 38.2%
Q: If the mean is 8.35, and the standard deviation is 2.5, what will be the answer to this? How many…
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Q: in a test of a lifelong brand of tires , a survey revealed that the mean life was 35,000 mikes and…
A: Let the random variable X be the life of tires. The random variable X follows Normal distribution…
Q: Suppose a population is known to be normally distribted with a mean, μ, equal to 116 and a standard…
A: Given information- Population mean, μ = 116 Population standard deviation, σ = 14 So, the percent of…
Q: A Physics test has a mean of 150 and a standard deviation of 12. A Geography test has a mean of 46…
A: Solution: Let X be the physics test and Y be the geography test. From the given information, X has…
Q: Which would you expect to be the larger standard deviation: the standard deviation of the weights of…
A: Consider, the standard deviation of the weights of 25 students in a first-grade class, or the…
Q: Write down the formulas for the standard deviation of p.
A: Let sample size = n Sample proportion = p̄
Q: Solve the problem. 13) The amount of snowfall falling in a certain mountain range is normally…
A: 13.It is mentioned that the amount of snowfall falling in a certain mountain range is normally…
Q: Find the standard deviation for this data set. if a one goal hockey game was added to this data set,…
A: From the plot representing the number of goals scored per game, there are three games in which three…
Q: If the standard deviation of a sample is 4.3 for 28 data values, what would the standard deviation…
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Q: What are all the values that standard deviation "s" can possibly take?
A: Standard deviation S=x1;x2n-1and ,Standard deviation is the positive squarew root of the variance…
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