The following table presents the scores of students in Statistics examination Scores Frequency 30-39 2 40-49 50-59 60 60-69 140 70-79 184 80- 89 135 90-99 78 What is the standard deviation of the scores? Select the correct response: 12.24 14.29 14.22 12.29

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: Calculate the mean, standard deviation, and variance for the following five scores: 9, 4, 7, 1, 4.

A: Considering the scores as population. The population mean is, μ=∑XN=9+4+7+1+45=255=5 Thus, the…

Q: Calculate the mean, standard deviation, and variance for the following five scores: 9,4,7,1,4.

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Q: For the following sample data, answer the following: Remember you can copy and "paste special" the…

A: I will use Excel functions to solve this problem.…

Q: Consider the following sample data.   Consider the following sample data.   Sample A: 9, 18, 27…

A: Given data is appropriate for measures of central tendency and measures of dispersion. mean is used…

Q: A successful basketball player has a height of 6 feet 2 ​inches, or 188 cm. Based on statistics from…

A: Given the Z score of height of basket ball player is 1.95. The original height of the basket ball…

Q: Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities. Find the…

A: We have given the following data42,41,40,32,22,19,16,12,11.7,10.3

Q: Number of Frogs Caught Daily Next to my House   29 23 14 13 23 22 16 24 27 25 26 19 21…

A: Standard Deviation (SD) : Standard deviation is used to explain how the data points are deviated…

Q: Find the mean and the standard deviation of the data. 48 22 34 26 27 37 20

A: From the provided information, Sample size (n) = 7 Data is given as follow: 48      22     34     26…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: a. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: What is the standard deviation for the following sample of scores? Scores: 3,2,4,6,6,3

A: The standard deviation is a measure of dispersion. It tells how much data are deviates from their…

Q: find quartile deviation for given data  15,56,89,74,56,32,21,45,96,77,32,3,48,56,75

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

A: Given data: 53 40 40 52 29 72 86 60 69 50 89 34 38 22 73 80 57 23 31 34 37 43 94 11

Q: 1. Find the mean, the variance and the standard deviation for the data. {18, 18, 19, 18, 18, 25, 29,…

A: Given data is : 18,18,19,18,18,25,29,30,26,19 To find mean, standard deviation, and variance.

Q: The following data are the GPA’s of 12 students at State University. Determine the mean, median,…

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Q: What is the standard deviation of the data set comprising the numbers 6, 7, 6, 6 and 10?

A: Here Given Data set  6,7,6,6,10

Q: days in Buffalo, NY: {17, 26, 3, 13, 29, 34, 32, 30, 41} Which of the following values represent the…

A: Given data, 17,26,3,13,29,34,32,30,41   Standard deviation=? Variance =?

Q: The following data sets contain information about the number of times per month different groups of…

A: we have given that  different group of individual purchased coffee at a coffee shop.

Q: What is the Mean deviation of the numbers 0.5, 0.8, 1.1, 0.9 and 0.6

A: The data is given by 0.5, 0.8, 1.1, 0.9, 0.6 And the mean of these numbers is Mean = (0.5 + 0.8 +…

Q: Recently, a random sample of 25-34 year olds was asked. "How much do you currently have in savings,…

A: The data in the given table represent the responses of the…

Q: Assume that the mathematics scores of 10000 students on the SAT are normally distributed with a mean…

A: Provided information is ; For example 1] : Population mean(μ) = 500 Population size (N) = 10,000…

Q: A group of high school students was asked how many hours per week they thought would be reasonable…

A: We have to calculate mean and standard deviation.  Before that we have to make the data continuous.…

Q: Define "Standard Deviation" and also Find out the Standard Deviation of the given data: 86, 37, 21,…

A: Definition: Standard deviation is a measure of the amount of variation or dispersion of a set of…

Q: c. Analyzing marks of 15 students from Spring 2020, you found their mean to be 23.6 and standard…

A: Data given Summer 2020  23,18,17,24,27,18,14,29  Spring 2020  n=15, x̄=23.6, s=4.9

Q: he following data represent the number of people aged 25 to 64 years covered by health insurance​…

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Q: what does the mean and the standard deviation represent in data set? how would i interpret the…

A: Mean and standard deviation in data set:The mean represent the average value in a data set. In other…

Q: What is the standard deviation for the following set of scores: 10, 15, 12, 18, 19, 16, 12? Group of…

A: From the provided information, total observations (n) = 7 For calculating standard deviation first…

Q: The temperatures during the first week of November are listed in the table below. What is the…

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Q: art professor gives an A to any student in the top 9% of the distribution. The grades are normally…

A: Given X~N(mean μ=60, standard deviations σ=5) P(X>b)=9%

Q: For the following population, answer the following: Remember you can copy and "paste special" the…

A: Given, 9, 88, 62, 64, 14, 20, 63, 73, 16, 92, 87, 68, 74, 52, 11

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A: The question is about frequency distribution.Given :

Q: e following data represent the number of people aged 25 to 64 years covered by health insurance…

A: The formula to compute the sample mean is, The formula to compute population standard deviation is,…

Q: For the following data, calculate mean, deviation, standard deviation, median, variance and range

A: x (x-xbar) (x-xbar)^2 16.7724 -0.00054 0.00000029 16.7735 0.000562 0.00000032 16.7722 -0.00074…

Q: Calculate the mean, standard deviation, and z score of the following values: 7, 5, 8, 10, 9, 6, 7…

A: Following are the explanation of the question.

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance…

A: Solution-: We prepare the following table: Class Class Boundaries LB UB Mid Point (xi) Number…

Q: What percentage of computer programmer major received a starting offer between $32000 and $38000?…

A: The following information has been provided: \mu = 39269, \text{ } \sigma = 2550Mean : μ=39269,…

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance…

A: Given that  Class Frequency 25 - 34 25.1 35 - 44 33.2 45 - 54 39.6 55 - 64 24.5

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A: The provided frequency distribution is: Age Number 25-34 20.8 35-44 31.9 45-54…

Q: Recently, a random sample of 25-34 year olds was asked, "How much do you currently have in savings,…

A: The data in the given table represent the responses of the…

Q: The following data set represents performance scores from a sample of participants in a psychology…

A: The formula to find sample standard deviation is as follows,  s = ∑ x2-∑x2nn-1

Q: A commuter travels many miles to work each morning. She has timed this trip 5 times during the last…

A: Given time required to make the trip is, 44, 39, 41, 35, 41   What is the standard deviation for…

Q: Following are the marks obtained by a batch of 9 students in a certain test. 65.3 , 45.6 , 35.9 ,…

A: Given: The marks obtained in a certain test is provided as:…

Q: What is the standard deviation of the data set comprising the numbers 4, 4, 6, 4 and 7? 1.59 1.99…

A: Solution: Let X be the random variable. The given data is 4, 4, 6, 4 and 7.

Q: The following data represents the number of blogs that a sample of students state they follow. 12,…

A: From the provided information, 12, 3, 10, 9, 0, 1, 8, 7, 3, 10, 19 Number of observations (n) = 11