Bear Stearns' stock price closed at $97, $102, $60, $30, $4 over five successive weeks. The weekly standard deviation of the stock price calculated from this sample is: ..... A. $29.61 B. $33.84 O C. $48.65 O D. $42.31

Q: The following are total cholesterol scores measured in 10 patients who are participating in a study…

A:

Q: Recent Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested…

A: Given that Mean(µ) = 24.8 Standard deviations (σ) = 6.2

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: Find the Mean, Variance, and Standard Deviation (round off to two decimal places)

A: Given: No. of students, n=50 Scores of students 78 95 91 78 91 83 80 99 93 91…

Q: Given a uniform distribution with endpoints 4 and 22: What is the mean?        What is the…

A:

Q: in New York State, the mean salary for high school teachers in 2017 was $104,210 with a standard…

A: given X , follow normal distribution with μ=104210σ=9660

Q: In a recent study reported Sept. 21, 1952 on the Flurry Blog, the mean age of tablet users is 34…

A: Mean = 34 Standard deviation = 15 Sample size, n = 100 Standard error = σn=15100=1.5

Q: sets represented by the following histograms has the largest standard deviation?A data set lists the…

A: Given: Minimum = 3 Median = 15 Q3 = 16 IQR = 4 Maximum = 19

Q: The average salary of a male full professor at a public four-year institution offering classes at…

A: Obtain the 66th percentile salary for male professors. The 66th percentile salary for male…

Q: On a normal distribution, four participants obtained the following deviation scores: -5,0,+3,+1.…

A: Given deviation scores of four participants from a normal distribution. The mean for the deviation…

Q: Use the following data obtained from ages of the last six U. S. Presidents at the time of their…

A: Mean: The mean is the sum of observations divided by the number of observations. that is, Mean = x =…

Q: Scores turned in by an amateur golfer at the Bonita Fairways Golf Course in Bonita Springs, Florida,…

A: a) Mean of the 2005 and 2006 season: x¯2005=74+78+...+75+778=76x¯2006=74+70+...+71+798=76 Variance…

Q: Ojai is a weather station in the state of California and Seabrook is a weather station in the state…

A: Given information- We have given the data of noontime temperatures recorded among weather stations…

Q: Suppose two sections of the same class take the same exam and produce the results shown in the…

A: The relative frequency distribution of section 1 scores and section 2 scores, are given.

Q: Match the histograms on the right to the summary statistics given. 20- Standard Deviation Мean…

A: For the given histogram the right to the summary statistics given

Q: Given the following frequency distribution, determine the standard deviation. Scores Frequency 51-60…

A:

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: Calculate the Mean and Standard Deviation for the data given below. Class 5 10 15 20 25 30 35 40…

A: Given Data :

Q: For any normal distribution, about 68 % of the data lie within one standard deviation of the mean.…

A: The empirical rule, also referred to as the three-sigma rule or 68-95-99.7 rule, is a statistical…

Q: From the following data : 23,25,41,29,50,36,37,44,30,35. Find the: Median…

A: 1. The Median is the middle number in the data set. Median for odd = n+12thvalue Median for even =…

Q: The systolic blood pressure of 18-year-old women is a roughly bell-shaped distribution with a mean…

A: We have given that.   X~N( μ , ?^2 )   μ =120 , ? =12   Z-score =( x - μ )/?

Q: Given a distribution with a mean of 90 and a standard deviation of 10, what is the probability of…

A: Given Information: μ=90 σ=10 x1=85 x2=110

Q: Calculate the standard deviation of the following four observations: 12,13,15,20

A:

Q: A dozen banks reported the following sales of gold (in ounces) for the week of February 1, 2021…

A: The data of sales of gold is, 685, 857, 973, 495, 453, 892, 1173, 743, 1244, 797, 852, 931 The mean…

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Q: In a study of the tooth-brushing habits of a large number of dental patients, it was observed that…

A: The following information has been given: The population mean is μ=230. The population standard…

Q: In this dry lab, calculate the average and standard deviation of the following data. Table1 Trial 4…

A: There are total n = 9 trials

Q: he scores of students on an exam are normally distributed with a mean of 424 and a standard…

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Q: The average full-time faculty member in a post-secondary degree-granting institution works an…

A: In a bell shaped distribution, 68% items falls within one standard deviation of mean, 95% items…

Q: Given that the variance for a data set 1.20, what is the standard deviation?

A: The standard deviation is calculated by taking the square root of variance. Variance is given as…

Q: The following are observations on the number of monthly Zoom sessions attended by a sample of 10…

A: Standard deviation is a measure of dispersion and important measure of dispersion. It used to…

Q: cording to a recent pol, 26% of adults in a certain area have high levels of cholesterol. They…

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Q: Find the quartile deviation and coefficient of quartile deviation from the following table.

A: quartile deviation               Q.D = Q3-Q12coefficient of Q.D = Q3-Q1Q3+Q1 for marks arrange the…

Q: A B. 1 Doctor visits 0. 1 2. Frequency 7. 149 121 4. 5 54 4. 450 110 12 8. 12 6. 10 8. 14 11 6. 12…

A: From the provided information, A B Doctor visits Frequency 0 7 1 149 2…

Q: Which of the following would be the standard deviation used in developing the p-control chart?

A: Given:  Proportion of defective product p= 0.03 Sample size n=30  To find standard deviations used…

Q: The normal monthly rainfall in Seattle, WA is as follows: Jan 5.4                       July 0.9…

A: Given the monthly rainfalls as  5.4 , 4.0 , 3.8 , 2.5 , 1.8 , 1.6 , 0.9 , 1.2 , 1.9 , 3.3 , 5.7 ,…

Q: The following are total cholesterol scores measured in 10 patients who are participating in a study…

A: The provided information is:Sample size (n)=10Consider X is a random variable defined as cholesterol…

Q: Total enrollment in the Kalamazoo Public Schools have a mean and standard deviation of 11,957 and…

A: We have given that  Mean = 11957  and standard deviation = 13 In next five years so, every…

Q: Calculate the standard deviation of the data shown, to two decimal places 6.3 28.2 24.9 23.7 5.7 2.7…

A:

Q: As the new manager of a small convenience store, you want to understand the shopping patterns of…

A: Let X represents the purchase amount. x 39.05 2.73 32.92 47.51 37.91 34.35 64.48…

Q: Which of the following data would be most appropriate to report standard deviation ? scores of an…

A: Standard deviation- Standard deviation is a measure of dispersion. It is a quantity that expresses…

Q: The annual incomes of all MBA degree holders working in Los Angeles have a bell-shaped distribution…

A: From the provided information, Mean (µ) = $78,000 Standard deviation (σ) = $11,000 Let X be a random…

Q: The following percentages of chloride were found: 32.52%, 32.14%, 32.61%, and 32.75%. Find the mean,…

A: The following percentages of chloride were found: 32.52%, 32.14%, 32.61%, and 32.75%  We can rewrite…

Q: Find the standard deviation of the following set of data: (1,3,5,7,9}

A: To calculate the standard deviation of these numbers: 1. Find the mean of the numbers 2. Then for…

Q: The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of…

A: We are given a table.

Q: Once again, consider the data for Fred's caloric intake. 2000   2200   2100   2400   2500   1900…

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Q: Convert the following raw scores to z-scores if the mean is 50 and the standard deviation is 10. a.…

A: We convert the given raw scores to z - scores when the mean is 50 and the standard deviation is 10.