Find the standard deviation for the group of data items. Stems Leaves 3 4 16 16 The standard deviation is (Round to two decimal places as needed.) 5.

Q: A biologist found the wingspans of a group of monary butterflies to be normally distributed with a…

A: X follows a Normal distribution with mean = 51.6 and S.D = 2.5 Then z=(x-mean)/SD = (x-51.6)/2.5…

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: A biologist found the wingspans of a group of monary butterflies to be normally distributed with a…

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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: Round each z-score to the nearest hundredth. A data set has a mean of x = 218 and a standard…

A: Given , x = 218    , σ = 40 We know , z-score = x-xσ

Q: The following data are the distances from the workplace (in  miles) for the 5 employees of a small…

A: The distances from the workplace (in miles) for the 5 employees of a small business are given as:…

Q: The table on the right gives the salaries (in thousands of dollars) of eight government officials.…

A: Given: The salaries of the eight government officials is given below: Official  Salary A 214…

Q: Find the range and standard deviation of the following set of data. The range is 196, 188, 191, 202,…

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Q: The grades of students were normally distributed with mean of 68 and standard deviation of 15.70. If…

A: A distribution which has bell shaped curve is called normal distribution. A bell shaped distribution…

Q: The mean and standard deviation of players' heights for the 2003 NBA season were H 79.5 inches and o…

A: A z-score (also called a normal score) gives an indication of how far from the mean a data point is.

Q: In an examination, the mean grade is 81 and the standard deviation is 6. Find the Z-score of the…

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Q: Find the standard deviation for the group of data items. Stems Leaves 8 1 58 2 58 The standard…

A: Given data : From the above stems and leaves data 8,15, 18, 25, 28 x¯ = ∑xin x¯ = 8+15+18+25+285 x¯…

Q: ather drops his three children off at the movie theater and give nd on a movie and concession…

A: let X1,x2,x3 be the three children. A father drops his three children off at the movie theater and…

Q: A biologist found the wingspans of a group of monary butterflies to be normally distributed with a…

A:

Q: Find the standard deviation for the group of data items. Stems Leaves 1 899878 2 1122 The standard…

A: Using the stem and leaf plot, the data set is, 18, 19, 19, 18, 17, 18, 21, 21, 22, 22 The no.of…

Q: (a) the range and (b) the standard deviation of the set of data.

A: NOTE: PLEASE ASK TWO DIFFERENT QUESTIONS INDIVIDUALLY. PLEASE ASK THE SECOND QUESTION AGAIN. WE CAN…

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: Given that,The middle 68% of the scores fall between 77 and 93.

Q: Jse z scores to compare the given values. The tallest living man at one time had a height of 260 cm.…

A: Z = x- μσ~N(0,1)

Q: A biologist found the wingspans of a group of monary butterflies to be normally distributed with a…

A: Given : Let, X = Wingspans of butterflies  X~N(μ=52.6,σ2=(2.9)2)  We want to find, (a)…

Q: On a test the mean score is 25 and the standard deviation is 2.3.  Which score could be expected to…

A: Mean =25 s = 2.3 z-critical value at alpha 0.05 is 1.65

Q: The monthly incomes of 16 students were analyzed and their average was 1000 TL and the standard…

A: Given data,μ=1000σ=200n=16z=2.7x=?

Q: On a standardized test with a normal distribution, the me was 64.3 and the standard deviation was…

A: We have given that  The scores follow the normal distribution with mean 64.3 and standard deviation…

Q: Round each z-score to the nearest hundredth. A data set has a mean of x = 211 and a standard…

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Q: Find both the mean and standard deviation for the data table provided below 33 Click the icon to…

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Q: Which of the following is the best estimate of the standard deviation of the distribution in the…

A: The tip of the normal curve represents the mean So, Mean = 97 Now, Given values, μ-σ=88μ+σ=106

Q: Round each z-score to the nearest hundredth. A data set has a mean of  x = 4079  and a 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: Solve for the mean and the standard deviation of the following normally distributed set of data. a.…

A: We have given that Standard deviation below mean is 6.7 and standard deviation above the mean is 9.9

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days…

A: From the provided information, Mean (µ) = 260 days Standard deviation (σ) = 16 days X~N (260, 16)

Q: Scores 82 90 93 63 77 Compute the mean and the standard deviation

A: Scores 82 90 93 63 77

Q: % of the data within 2 standard deviations. Given a set of data that is bell-shaped there is…

A: According to the Empirical Rule (also called the 68-95-99.7 Rule), for bell shaped data we say that…

Q: O Q 1. Choose the best answer. In a high school high jump contest, the height of clearing the bar…

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Q: You are given that mean = 50, coefficient of variation = 40% and coefficient of skewness = – 0.4.…

A: Given, Mean = 50, Coefficient of Variation (CV) = 40% Coefficient of skewness = - 0.4.

Q: The Floppy Disk Company makes 3.5 inch floppy disks for disk drives that are 3.7 inches wide. The…

A: a) P(x<z) = 0.30 From table Z = -0.524 X = 3.5+(-0.524)×(0.1) X = 3.4476 inched --- B) P(x>z)…

Q: Grace has a dog and its weight is z = -0.5lbs.  Her current weight is 47 lbs.  The average weight…

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Q: Jay is a photographer who estimates that their time shooting for a cooking magazine is uniformly…

A: From the given information, Jay is a photographer who estimates that their time shooting for a…

Q: A biologist found the wingspans of a group of monary butterflies to be normally distributed with a…

A:

Q: Which of the following is a measure of the center of the data? the range the standard deviation the…

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Q: Find the sample standard deviation for the group of data items. 1, 3, 3, 3, 3, 5 The standard…

A: Given : Sample 1 3 3 3 3 5

Q: You are given that mean = 50, coefficient of variation = 40% and coefficient of skewness =-0.4. You…

A: Given,mean=50coefficient variation(CV)=40%coefficient of skewness=-0.4

Q: Sarah was told that she scored two standard deviations above the mean on her PSYCO 104 final exam.…

A: Solution: Given information: μ=65% Population mean σ=10% Population standard deviation  Sarah was…

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: Round each z-score to the nearest hundredth. A data set has a mean of x = 4074 and a standard…

A: As per Bartleby guideline for more than one question asked only first is to be answered  and please…

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: The random variable score X is normally distributed and middle 68% of values fall between 71 and 83…

Q: Q7 / For the data in the frequency table below, find the value of the standard deviation Class…

A: The following is the formulae for the Standard deviation of Frequency distribution…

Q: Ronnie and Loida who are best friends took a college entrance examination. The mean score and the…

A: The z score is used to estimate the number of observation deviation from the mean. The z score is…

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: Given : The middle 68% of the scores fall between 71 and 79 P(71<X<79)=68%

Q: For a social club, the members had a mean age of 68 and a standard deviation of 10 years. What is…

A: We have given that  The member had a mean age of 68 years and standard deviation 10 years.

Q: In some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: Formula : CV = (Standard deviation/Mean) * 100