consider the data given and find standard deviation below Scores Comulative frequency o- 4 5-9 4 10 - 14 12 ダー 19 21 20- 24 30 25- 29 53 30 -34 66 35- 39 73

Q: The weekly salaries (in dollars) for some registered nurses are listed below: 774   446  1019  795…

A: Given data,   774   446  1019  795  908  667  446  960     The objective is to find the mean,…

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: 2. We are given data 124 ; 58 ; 215 ; 123 ; 79 ; 68 ; 82 ; 130 ; 128 ; 150 132 ; 69 ; 132 ; 115 ;…

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Q: The descriptive measure of dispersion that is based on the concept of a deviation about the mean is…

A: Range : Range is the measure of dispersion. It is the difference between minimum value and maximum…

Q: Let X = (5400 4900 6300 6700 )T be the estimates in dollars for the cost of replacing a roof on…

A: Given:                  X=5400, 4900, 6300, 6700 A sample mean refers to the average of a set of…

Q: What is the average score for those who are confident about voicing their opinions and ideas with…

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Q: What is the sum of squared deviations (SS) of the data set (N=5) as shown below? DATA: 7, 13, 5, 9,…

A: Data given 7,13,5,9,16  N=5

Q: Find Mean Deviation : (i) about Mean (ii) about Median, in the following data: 2, 7, 9

A: Given data is2, 7, 9

Q: If a set of data has a mean of 50 and a standard deviation of 4.5, what is the z-score for a value…

A: If a set of data has a mean of 50 and the standard deviation of 4.5. We have to find the z-score for…

Q: The data that follows represent the prices of shoes.$60, $59, $85, $99, $95, $100, $116, $75 Find…

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Q: The following data relate to the age of a group of Govt. employees. Calculate the arithmetic mean…

A: Class Frequency (f) Mid value (x) d=X-Ahd=X-37.55A=37.5  ,   h=5 f⋅d f⋅d2 20 - 25 170 22.5 -3…

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: A researcher talks with 20 heroin addicts to find out how many times they have shoplifted in the…

A: Hello there! there are more than three subparts in the question. According to our policies we cannot…

Q: Using your calculator, find the range and standard deviation, round to The table below gives the…

A: We know that Range : It the difference between the maximum value of the data set to the minimum…

Q: The table below gives the number of hours spent watching TV last week by a sample of 24 children.…

A: Given -  The given data are number of hours spent watching TV last week bye a sample of 24 children…

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: 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 following data are the distances between a sample of 20 retail stores and a large distribution…

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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: This data is from a sample. Calculate the mean, standard deviation, and coefficient of variation.…

A: Number of samples (n) = 7 X 48.3 29.6 16.8 42.9 41.4 13.2 29.5

Q: Students in a large accounting class were asked to rate the course by assigning a score of 1, 2, 3,…

A: The objective is to find the mean and standard deviation of the ratings. It is known that the…

Q: The following data are from are the temperatures from the first 12 days in March in a Northeastern…

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Q: For the given set of data: (98, 56, 59, 56, 73, 67, 67, 67, 70, 64} Determine: (a) Mean (b) Median…

A: Given data is 98,56,59,56,73,67,67,67,70,64Arrange the data in ascending…

Q: Find the range and standard deviation of the set of data.   10,9,6,12,18

A: The set of data 10,9,6,12,18

Q: The Department of Commerce is researching the level of income in boroughs A and B and has obtained…

A: Descriptive statistics can be used for explanatory data analysis purposes. It will give a basic…

Q: Calculate the mean if -2 standard deviation = 70 and +2 standard deviation = 100. The mean of the…

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Q: a group of diners were asked how much they would pay for a meal. their responses were…

A: Five number summary:Minimum value: It represents the least value for any given set of…

Q: he following data shows how many employees showed up to work every day for two weeks 12 18 09 16…

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Q: This data is from a sample. Calculate the mean, standard deviation, and coefficient of variation.…

A: Number of samples (n) = 7 X 16.2 33.3 15.4 25 32.4 20.5 31.6

Q: For a given data, calculate the mean, the median, the standard deviation. Show your work, do not…

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Q: Find Mean Deviation: (i) about Mean (ii) about Median, in the following data: 2, 7, 9

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Q: The following data list ages of cars (in years) and monthly repair cost. What is the standard…

A: The regression analysis is conducted using EXCEL. The software procedure is given below: Enter the…

Q: The following table presents the scores of students in Statistics examination Frequency 2. Scores…

A: Solution

Q: Twelve professional gamers were asked their age (in years) when they first began playing their game…

A: We first find the mean

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: A survey research company asks 100 people how many times they have been to the dentist in the last…

A: The given table can be filled by using EXCEL software as given below. Where “xbar” is the mean…

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

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Q: For this grouped data set: Scores      |      Frequencies 30-34        |      7 25-29        |…

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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: Calculate the mean deviation and its coefficient both from mean and median for the following. Marks:…

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Q: The fuel efficiency , in miles per gallon, of small utility trucks was measured. The results are…

A: It is given that the fuel efficiency in miles per gallon.

Q: The grades for 30 students on the most recent exam are given in the data table below: Round your…

A: Given data, 60 80 70 70 80     90 80 70 80 80     60 70 70 70 70     90 70 70 80 90…

Q: Which of the data sets shown below has the smallest standard deviation? 0, 1, 2, 3, 4, 5, 6 0, 0, 0,…

A: We have to find standrad deviation...

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

A: Answer -             Calculate Mean and standard deviation from the following grouped data…

Q: Consider the data: 12, 9, 11, 15, 13, 15, 16. (Show your work.) a) Determine the mean. b)…

A: To determine, Mean  Median  Standard Deviation Given data: n=7

Q: • Compute for the range, the mean deviation, and the standard of each set of grouped data. Scores of…

A: Given that

Q: Jse the range rule of thumb to identify the values that are significantly low, the values that are…

A: Solution: Given that: Mean = 19.5 Standard deviation = 4.8

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

A: The table shows the frequency of individualized instruction.

Q: A certified mechanic was timed for the repair of an automobile on 14 separate occasions. Over the…

A: