An economist is interested in the number of cash people carry in their wallets during the day. She positions a graduate student in a popular street in New York City, and the student randomly asks people passing the street how much cash they happen to carry. The data are the following:Xi: 100, 5, 12, 17, 12, 9, 3, 12, 54, 23, 15, 75 Find the range, variance, and standard deviation. Describe the kurtosis and skewness of the distribution.

Q: The ages​ (in years) of a random sample of shoppers at a gaming store are shown. Determine the​…

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Q: Salespeople for a car sales company have an annual sales average of $225,000, with a standard…

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Q: The average daily points for my fantasy baseball team are {4.1, 5.7, 3.8, 4.7, 4.7, 5.5, 4.1, 2.7,…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: Calculate the standard deviation of the following set of numbers. Use the formula for the standard…

A: Standard deviation is a measure of dispersion, it describes who well the data is spread. Standard…

Q: Consider the following data: - 12, - 12, 5, 5, - 12, 5,-14 Step 1 of 3: Calculate the value of the…

A: Given data are 12, - 12, 5, 5, - 12, 5,-14 We have to calculate sample variance, sample standard…

Q: alespeople for a solar technology company have average annual sales of $200,000, with a standard…

A: Statistics is a branch of mathematics that gives us the tools to deal with large quantities of data…

Q: developmental psychologist is interested in studying how long babies gaze at a photograph of a human…

A: Given data, 12, 15, 16, 20, 20, 27 Sort the data in ascending order. 12,15,16,20,20,27

Q: The number of hours worked each week by a teacher over the past two months are: 49 53 38 49 16 43…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: A. Find the range. B. Find the standard deviation. C. Find the variance.

A: Given: Bar strength Number of bars, f 240-269 22 270-299 17 300-329 4 330-359 11…

Q: Use the following data set (2,3,4,4,6,7,8,12) The variance=10.5 Find the standard deviation and…

A: We have given that,  The data set is,  2,  3,  4,   4,   6,   7,    8,   12 And variance = 10.5…

Q: These are the heart rates of diabetic patients from a hospital: 81, 104, 116, 120, 111, 81, 116,…

A:

Q: - For the data in table (1): Draw the frequency distribution diagram. Find the class mark. Find the…

A: Solution: Variance=5.1854 and sd=2.2771

Q: The ages​ (in years) of a random sample of shoppers at a gaming store are shown. Determine the​…

A: Range:In the given sample data set, the maximum value is 23 and the minimum value in the data set is…

Q: Determine the sample standard deviation.

A: Given  29.6 32.4 38.7 42.4 44.5 46.4 49.0 60.8 70.2 Now sample size (n) = 9…

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A:

Q: The data {9, 5, 5, 9, 2} represent a random sample of the number of days absent from school for five…

A:

Q: Find Ztest Round your answer to the nearest hundredth A

A: n=100, x¯=703μ=720,σ=92

Q: Using this data set find variance and standard deviation: 9, 12, 13, 16, 23, 40, 48. Show your work

A: Given, the data for which we need to find variance and standard deviation The mean for the data is…

Q: The FICO credit score is used by banks and other lenders to determine whether someone is a good…

A: Sample size(n)=100Sample mean()=703Population standard deviation()=92and

Q: A statistics professor asks each of the students in an introductory statistics lecture to fill out a…

A: I have provided the answers using Excel

Q: The FICO credit score is used by banks and other lenders to determine whether someone is a good…

A: sample size(n)=100Mean()=703standard deviation()=92significance  level()=0.05

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A:

Q: Passenger Vehicle Deaths The number of people killed in each state from passenger vehicle crashes…

A: From the provided information,The data values are as…

Q: Roll a pair of die 36 times, and draw a bar graph of all the outcomes. Using the data, find the…

A: In question,  Given that a pair of dice is rolled 36 times. Then we'll find mean Variance and…

Q: Find the range , the standard deviation , and the variance. 1,2,6,9, 10, 11,21 1.5 ,3.4, 2.8, 2.3,…

A: Measures of Dispersion: The meaning of dispersion is scatteredness. It helps in finding out the…

Q: A statistics professor gives a survey to each of the 100 students in an introductory statistics…

A: Obtain the population standard deviation:

Q: Calculate the range, the variance, and the standard deviation for the data that was collected on SAT…

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Q: take the following data and calculate the variance and standard deviation by hand 10 12 20 20 25

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Q: Internet Service Providers The amount that households pay service providers for access to the…

A: For the distribution of internet service fees (which is stated to be not normal), it is given that:…

Q: If this is sample data, the sample variance is v and the sample standard deviation is If this is…

A:

Q: Find the sample variance of the following set of data: 10, 5, 8, 8, 9. Round the final answer to one…

A: XX210100525864864981…

Q: Calculate the mean of the data, and then calculate the deviations for each of the 6 scores. Using…

A: 1. The mean of the data is, μ=1N∑xii=1n=6+10+9+13+14+116=636=10.5 Thus, the mean of the data is…

Q: Every year, the students at a school are given a musical aptitude test that rates them from 0 (no…

A: here we have to find out the sample standard deviation for given frequency distribution table . x…

Q: A printing company spends specific amounts on fixed costs every month. The costs of those fixed…

A: Monthly chargesMonthly cost($)Bank charges373Cleaning2691Computer expense2606Lease…

Q: Find the variance for the following data 72,62,52,45 Round to three decimal places

A: Answer: Given data is, 72,62,52,45 Sample size (n) = 4

Q: Find the variance and standard deviation of the data below: Classes 1-10 11-20 21-30 31-40 41-50…

A: The question is about frequency distribution Given :   To find : 1 ) Variance of the data 2 ) Std.…