The standard deviations of four data sets are shown in the table below. Which of the data sets is most spread out? Data set Standard deviation Data set A 5.21 Data set B 4.88 Data set C 6.06 Data set D 3.39

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

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Q: n a final examination in mathematics, the mean was 72 and the standard deviation was 15. Determine…

A: Given : On the final examination in Mathematics ; Mean (μ) = 72 Standard deviation (σ) = 15 Let X be…

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: If the variance of the data values in a sample is 324, what is the standard deviation of the data…

A: Given that  Variance=324 Find standard deviation

Q: The variance and mean for a given set of data is 25 and 64 respectively. Calculate the standard…

A: We have given that,  Variance (s^2) = 25 Mean (x-bar) = 64 Then, We will find the standard…

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

A: Given,

Q: The variance of a data set is 10. What is the standard deviation of the data set? O 10 O 3.16 O 100…

A: We can find the standard deviation as below

Q: Two data sets yield the following standard deviations.  Which data set is more consistent?   Data…

A: If the variability in the distribution is lower, then the values in the data set are more…

Q: What is the variation, standard deviation, and standard error of the following data set: 1.68,…

A: Given data is 1.68,1.57,1.63,1.77,1.55,1.68,1.60,1.68,1.59,1.63,1.63sample size(n)=11

Q: Given that a data set has the following data values: 2, 4, 6, what would be the standard deviation?…

A: We have given that,  The data set are : 2, 4, 6 Then,  We will find the standard deviation (s) = ?

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

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Q: Find the mean and standard deviation for the individualized instruction scores. Scores…

A: Solution-: We find the mean and standard deviation for given frequency distribution table

Q: The test scores for a math class are shown below. 81, 85, 82, 93, 85, 84, 95, 87, 88, 91 36. What is…

A: Given data set, 81,85,82,93,85,84,95,87,88,91 Standard deviation=?

Q: In the diagram below, what is the value of the standard deviation? What is the mean? 4.0 4.5 5.0 5.5…

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Q: 12. Foot lengths Here are the foot lengths (in centimeters) for a random sample of seven 14-year-…

A: We want to find the sample standard deviation

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

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Q: CTIVITY

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

Q: Given a set of scores below, write down the scores one, two, and three standard deviations above the…

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Q: 1.Which data set has the greatest sample standard deviation?   a.{30,40,50} b.{120,121,122}…

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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: Given the sample data 85 85 85 85 85 85 85. Find the variance and the standard deviation of the…

A: Let X denote the sample data. The standard deviation of the data can be calculated as SD =…

Q: The numbers examined, the mean weight and the standard deviation in each group of examination and…

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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 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: figure the standard deviation of the distribution of means for a population with a standard…

A: Population standard deviation is given and sample standard deviations have to be calculated for…

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: Find the scores one, two, and three standard deviations above and below the mean, given the…

A: Given that  μ = 86.1 , σ = 12.5   Find the score

Q: The weights of 1,000 children, in average, is 50kg with standard deviation of 19kg. Suppose the…

A: Given that,  Let X be the random variable from normal distribution with mean or average (μ) = 50kg,…

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

A: See the handwritten solution

Q: If the students make one more measurement using the same equipment and procedures, what is the…

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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: Using your calculator, find the range and standard deviation, round to two decimals places: The…

A: Given information- We have given the table which shows the number of hours spent watching TV last…

Q: 3. Find the standard deviation. Data Set: 20, 15, 15, 10, 20 а. 16.0 b. 17.5 C. 5.1 d. 4.2

A: Given: Sample size n = 5 Formula Used: Sample standard deviation = ∑(Xi-X)2n-1 Where X is a sample…

Q: Rico used the Internet to survey the per quart of synthetic motor oil for his high-performance…

A: Calculate Sample Standard deviation (S) from the following grouped data X Frequency 372.20 1…

Q: Determine the mean, median, standard deviation, and interquartile range for each data set. Then, use…

A: Introduction:  Mean :  For the ungrouped data , the sample mean  and sample variance can be defined…

Q: The scoring averages (points per game) of the starting lineup of a basketball team are as follows:…

A: The provided scoring averages of the starting lineup of a basketball team are  x x2 6.2 38.44…

Q: The number of books on the office bookshelves of eight professors are shown below. Use the range…

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Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget…

A: Empirical rule: According to empirical rule, approximately 99.7% of data lies within three standard…

Q: What is the standard deviation for these students' quiz scores

A: Let X denote the score on the quiz. We have to calculate the SD of X.

Q: In Exercises, determine the range and sample standard deviation for each of the data sets. For the…

A: The data contains the number of tornados that touched down in the United States during each month of…

Q: Determine the mean, median, standard deviation, and interquartile range for each data set. Then, use…

A: Given:    From the above data        Mean =sum of all termnumber of terms in set      Sum of all…

Q: Given the following scores of students in a test: 5,7,11,12,13,18 a) add 8 to each score then find…

A: Given that  The data are 5,7,11,12,13,18

Q: Teacher salaries are listed below. Find the mean, median, mode, and standard deviation. Using this…

A: We know that, mean is given by, Mean=(summation Xi)/n Here n= 8 Mean…

Q: The tourist bureau of the Caribbean Island survey a sample of 6 United States tourists as they left…

A: The mean number of days spent on the visit can be calculated as:

Q: How many values are within one standard deviation of the mean ? 180,313,255,202,198,109,183,18…

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Q: Using your calculator, find the range and standard deviation, round to two decimals places: The…

A: List of formulae : Range = Maximum value - Minimum value Sample standard deviation : s = ∑x2-∑x2nn-1

Q: The numbers examined, the mean weight and the standard deviation in each group of examination and…

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

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

Q: a) Calculate the mean, median and mode distances for each archer? Mean Median Mode Lionel Jeffrey b)…

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