What percent of the distribution is included within 1.75 standard deviation? please answer correctly. A. 36% B. 56% C. 67% D. 75%

Q: In a data set that has a normal distribution, approximately what percent of the data falls within…

A: Percentage of information that falls within one standard deviation of the mean is P(-1<t<1)=…

Q: er has a height of 6 feet 8 inches, or 203 cm. Based on statistics from a data set, his e of 4.10.…

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Q: The mean of a data set is 20 and the standard deviation is 2. What percentage of data value will…

A: Given  Mean=20, sigma=2 P(12<X<28)= ?

Q: A standardized memory test has a mean of µ = 100 and a standard deviation of σ = 10. Answer the…

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Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: Given that ; X represents the number of adults in groups of five who reported sleepwalking P(x) is…

Q: 2. Reflect a. If all the data in a given sample are the same, what is the standard deviation of the…

A: Standard deviation : The standard deviation is that the live of variability. It tells United States…

Q: 4. The lowest and the highest data value of a data set are 12 and 28 respectively, then the…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: = 6 , Σ ? = 33, Σ ?2 = 199.

A: given n = 6 ∑x = 33 ∑x2 = 199

Q: c.    What is the mean of the sample means? d.    What is the standard deviation of the sample means…

A: Let  Mu = population mean  X bar = sample mean n = sample size  Sigma = population standard…

Q: There is an average of 4 accidents in a week on a major highway in the city. What is the standard…

A: I solved exactly first question because of bartleby policy if you want more please uplode…

Q: A standardized memory test has a mean of µ = 100 and a standard deviation of σ = 10. Answer the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A Population has a Mean of 90 and a standard deviation of 25.  A sample of 20 college students is…

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Q: You measure the height of 10 people and come up with an average of 70 inches and a standard…

A: x=70s=4n=10 The t scores for 68 inches, t=68-xsn=68-70410=-1.581139

Q: "The weights of 1,000 children, in average, is 58kg with standard deviation of 18kg. Suppose the…

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Q: What is the mode of the data?  d. What is the standard deviation of the data?

A: Given Frequency table, Class Interval Frequency Relative Frequency 1 to 5 3 3 6 to 10 4 7…

Q: There is an average of 4 accidents in a week on a major highway in the city. What is the standard…

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Q: Which pair of quantities below consists of two measures of dispersion? O a. Median and Mean O b.…

A: In statistics the measure of dispersion help to interpret the variability of data. The types of…

Q: "The weights of 1,000 children, in average, is 62kg with standard deviation of 16kg. Suppose the…

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Q: Many cities sponsor marathons each year. The following histogram shows the distribution of times…

A: Let denotes the time (in minutes) taken to complete the marathon by athletes. Then X ~ N(μ,σ2)…

Q: Given the data: 47, 55, 57, 63, 73. Find the standard deviation. Round the final answer to the…

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Q: Which of these symbols represents population standard deviation? Obo? Ocs Od. s?

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The national mean for verbal scores on an exam was 428 and the standard deviation was 113.…

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Q: If the coefficient of variation for a data is given as 35%, and the standard deviation for the same…

A: given data coefficient of variation = 35% so cv = 0.35 sd = 32 mean  = ?

Q: "The weights of 1,000 children, in average, is 54kg with standard deviation of 17kg. Suppose the…

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Q: An accountant is studying the attendance levels at the concerts of a touring rock band. She finds…

A: Let x¯ be the mean number of attendees at a performance in her study for 62 performances which…

Q: On average 16 customers are served per hour in a bank serving point. What is the mean and standard…

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Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days…

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Q: As of 2020, 83 pitchers have been inducted into the Major League Baseball Hall of Fame. The…

A: Given that, The number of winning games pitchers played is approximately normal with a mean of 250…

Q: Using Chebyshev's rule, at least what percent of the distribution lies between 3 standard deviations…

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Q: Given the following data: 8,5,6,10,8,3,6 find the A. Median B.Sample Mean C.Sample standard…

A: Given data, 8,5,6,10,8,3,6   Sort the data in ascending order. 3,5,6,6,8,8,10

Q: 12. It is the square of the population standard deviation. Answer:

A: ( 12 ) It is the square of the population standard deviation .

Q: "The weights of 1,000 children, in average, is 58kg with standard deviation of 18kg. Suppose the…

A: Solution-: Given: μ=58,σ=18,n=1000 We find, how many children weight between 48kg and 57kg?

Q: In a particular examination, the mean score is 82 and the standard deviation is 3.7. What is the Z-…

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Q: If a distribution has a mean of 35 and a standard deviation of 5, what value would be +1.5 standard…

A: Given that The value of mean of 35, Standard distribution of 5 and that correspond s to a z-score of…

Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: The mean for the number of sleepwalkers in groups of five is,…

Q: In a normal distribution, what percent of information falls within one standard deviation of the…

A: In a Normal Distribution, within one standard deviation of the mean

Q: :When a distribution is bell-shaped, approximately what percentage of data values Will Fall within 3…

A: We have to find correct answer.

Q: The mode of a normal distribution is 65.5 and the standard deviation is 8.4. Then what is the median…

A: Givenmode = 65.5standard deviation = 8.4

Q: Q2 (c): According to the above frequency distribution table, the :value of mean deviation (MD) is

A: here given grouped frequency distribution

Q: select the letter of the correct answer in the Choices. Questions: 1. What is the mean? Choices:…

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Q: There is an average of 4 accidents in a week on a major highway in the city. What is the standard…

A:

Q: Builtrite Furniture has calculated the average weekly payroll to be $15,000 with a standard…

A: Mean = 15000 Standard deviation = 3000 P-value = 0.04

Q: The state and will spend 15 hours average a week and class and the standard deviation is 2 hours…

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Q: How many of the sample of families would fall above 2 standard deviations from the mean? A. 0 B. 1…

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Q: Answer all questions: 1. What is the range and standard deviation for the following population of…

A: According to the provided information, the scores are: 5,2,5,4

Q: What is the value of the Pearson coefficient of skewness for a distribution with a mean of 27,…

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Q: What is the standard deviation of the distribution?    A. 3.54   B. 3.98

A: From the given information, Class interval Frequency 16-20 3 11-15 14 6-10 7 1-5 1   25…

Q: A standardized test has a mean of 88 and a standard deviation of 12. What is the score at the 90th…

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Q: A standardized memory test has a mean of μ=100 and a standard deviation of σ = 10. Answer the…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: Refer to the accompanying table, which describes the number of adults in groups of five who reported…

A: Given data,   Mean=? Standard deviation =?