6. The following data give the number of new cars sold at a dealership during a 12-day period 13, 5, 9, 6, 8, 11,9, 15, 4, 11, 7, 5 Find the range, variance, standard deviation, and interquartile range.

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Q: Consider the following data set: 9, 8, 6, 11, 5, 9, 7, 6, 3, 10, 11, 9, 9, 6, 10, 7, 8, 9, 5, 9…

A: From the provided information, Number of observations (n) = 20 Arranging the data set into ascending…

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

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Q: What is the standard deviation of the data (7, 1, 7, 10, 5, 3, 2}? O 2.7 O 3.0 5.0 O 9.0

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Q: The following are final grades (in terms of percentages) from a class of 20 students. 70 2 75 70 84…

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Q: Find the range and standard deviation of the set of data. 12, 9, 7, 11, 11 O

A: Given data:                   12, 9, 7, 11, 11

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Q: Find the range and standard deviation of the set of data. 12, 8, 7, 11, 22 O

A: Given sample data is  12,8,7,11,22.

Q: Find the range and standard deviation of the set of data. 6, 9, 6, 9, 9, 11, 13 O

A: Given - The set of data : 6, 9, 6, 9, 9, 11, 13 To find - Find the range and standard deviation of…

Q: 3. The monthly number of cars sold by a car dealer from January to October for a particular year…

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Q: The mean deviation of the data(1 * :2,9,9,3,6,9,4 from the mean is 2.23 3.23 O 2.57 O 3.57 O

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Q: The following data set represents the salaries of all seven employees at a small start-up company…

A: Given information Variance σ2 = 99.14

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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: 5. The following data are the ages of diabetic patient of a certain hospital. A are the ages of nine…

A: We will answer the first two questions. Please resubmit the other questions separately which one you…

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Q: Calculate the standard deviation, variance and co-efficient of variance of the following data. 45,…

A: The given data is, 45 32 37 46 39 36 41 48 36

Q: 1. Determine the variance of the following 10 sample data: 10,12,9,18, 14,16,14,18,19 and 20

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Q: Find the mean,mode,median ,skewness and variances and standart deviations of the following data set…

A: Mean :  The mean of a data set is the sum of the terms divided by the total number of terms. Using…

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Q: 2. Create a Frequency Distribution Table and compute for the Mean, Median, Mode, Variance, and…

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Q: 1. Find the mean, median and variance for the following data set. 15, 10, 13, 7, 9, 8, 21, 9, 14, 8

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A: Mean:The formula for finding mean is shown below:

Q: 1. The following data set represents the number of new computer accounts registered during ten…

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Q: find the range, variance, and standard deviation. Precipitation and High TemperaturesThe normaldaily…

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Q: Find the standard deviation for the group of data items  8,9,10,11,12

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Q: Find the variance of the following data points: 100.1, 97, 77, 68, 123.4, 23.5, 214, 156, 214.2,…

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Q: 1-) For the following data, please compute: X- [1,2.2, 3,3, 3, 4, 4, 4, 4, 5, 5,5, 6,6, 6, 7, 7,…

A: Summary statistics are used for an explanatory data analysis and get a brief idea about the data.

Q: Suppose the following data shows the number of the problems from the Practice Problems Set attempted…

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

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Q: 1. The following are the score of 12 students in Statistics quiz: 86, 94, 90, 76, 95, 72, 82, 91,…

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Q: Given n=10 measurements: 13, 15, 14, 16, 20, 15, 16, 19, 12, 18 The sample variance is

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Q: Compute standard deviation for the following data : 5, 8, 7, 11, 9, 10, 8, 2, 4, 6.

A:

Q: 2, 4, 4, 6, 6, 7, 9, 12

A: The variance is used to calculate the variability of the data set. It tells us about the data that…

Q: Given the following observation, 1.7, 2.2, 3.9, 2.11 and 14.7. Find the mean, median and the…

A: Hi, thanks for the question. Since there are multiple questions posted in the question, we will…

Q: Which of the following data sets has the smallest standard deviation? a. 1, 2, 3, 4, 5 b.…

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

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Q: Compute the range and standard deviation of the following 10 scores 10, 12, 15, 20, 25, 30, 32,…

A: Compute the range. The range is obtained below: Range: Range of the data represents as difference…

Q: The following set of data is from a sample of sample n=6               7 4 9 7 3 12 a. Compute the…

A: Given data,7, 4, 9, 7, 3, 12sample size(n)=6

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Q: 20. Which of the following data show most likely the smallest possible variance or variability? A.…

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Q: Find the range and standard deviation of the set of data. 4, 7, 4, 7, 7, 9, 11 O

A: The detailed solution is as follows below:

Q: 10 The following table shows the frequency distribution of the number of children at a childcare…

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Q: Compute each of the single-variable statistics discussed in class for the data below:   84.7 58.2…

A: Arrange the given data in ascending order44.3, 58.2, 58.2, 68.3, 84.1, 84.7, 89.1, 89.7, 91.9,…

Q: . Compute Standard deviation from the following data 60 Marks 10 20 30 40 50 No. of students 20 7 3.…

A: Solution is given: Give data:

Q: 3. The following data are the number of burglaries reported for a specific year for fifteen Metro…

A: Given data set is: 30,18,3,7,61,11,1,3,2,12,15,11,13,14,11 Rearranging the given data set: 1, 2, 3,…