4 The data below shows the ages of a random sample of people visiti museum. 20 23 25 30 32 35 39 44 21 23 26 30 33 35 40 45 21 24 27 30 34 35 40 45 22 24 28 31 34 37 40 46 23 25 28 31 34 37 42 47

Q: From the adult male population of four large cities, random sample of sizes given below were taken…

A: Solution is given:

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Q: 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

A: 1 2 3 4 5 6 7 8 9 10 11 12 11 11 11 11 11 11 11 11 21 22 23 24 25 26 27 28 29 30 31 32 33 34…

Q: A sample of students involved in laboratory accidents was categorized by age. The results appear as:…

A: Gvien data is Age #of accidents 16 - 25 15 26 - 35 25 36 - 45 27 46 - 55 24 56 - 65 12…

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A: The table that shows the necessary calculations is shown below: x x−¯x (x−¯x)2 49 -7.5333…

Q: What is the correct H0?

A:

Q: 13.80 13.90 14.20 14.35 14.60 15.05 15.20 15.20 15.25 15.25 15.35 15.60 15.80 15.95 16.15 16.30…

A:

Q: A survey conducted in a college intro stats class asked students about the number of credit hours…

A: From the data, we calculate mean x1= ∑i=1n xin            = 16.3125 Standard deviation, σ1 = ∑i=1n…

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A:

Q: Here is a sample data set. 348.5 354 361 365.5 380 413.2 417.4 439.1 445 468.8 472.7 473.9 477.3…

A: arrange the data in ascending order ascending order is: [348.5, 354.0, 361.0, 365.5, 380.0,…

Q: The following are the data gathered among 50 students in Statistics Class. 77 12 21 22 67 84 54 29…

A: Since you have posted a question with multiple subparts we will solve first three subparts for you.…

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A: Hey there! Thank you for posting the question.Since you have posted a question with multiple…

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Q: Here is a sample of the number of cars passing over a bridge per hour during rush ho 404 408 409 416…

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A: Given data: 26.04 26.78 27.17 27.57 28.17 28.43 28.61 28.9626.09 27.09 27.26 27.78 28.22 28.43 28.78…

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Q: The randomly selected 60 shoppers have rated a new bottle design for a popular soft drink. The data…

A: Given information: 20, 22, 24, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 29, 29, 30,…

Q: You work for a charitable organization and you want to estimate the average age of the people who…

A: Given:   45 62 49 43 64 63 63 53 40 56 61 45 28 40 30 45 25 69 31 64 45 55 49 50 54 45 52 37…

Q: You, as a researcher wonder if Loftus and Palmer’s study is reliable, and repeats this study with a…

A: Since there are no clear objective in the question. So assuming that tht objective of the study is…

Q: corporate CEOs for a random sample of these firms. 47 57 52 62 55 59 74 63 53 50 59 60 60 57 46 55…

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A: Regression means a return to origin. The regression concept is introduced by Sir Francis Galton.…

Q: 45 50 51 48 48 45 43 33 56 42 46 54 39 46 40 47 Calculate the sample mean and median weights of the…

A: given data…

Q: Actual data from the survey (n=20) SAMPLE # 1 2 A (am) 4:30 5:30 B (mins) 60 55 C (mins) 20 7 SAMPLE…

A: Given information:  No. of variables=3Variables A=Morning wake up timeVariable B=Time of morning…

Q: Here is a sample data set that appears to be nearly normal (as suggested by the histogram). 25.8…

A: The given data is, X 25.8 32.7 42.4 36.2 21 37.7 31 33.3 34.4 31.2 28.6…

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

A: Mode: Mode is the most frequently repeated value in the data set.

Q: A statistics teacher wanted to see whether there was a significant difference in ages between day…

A: Hey there! Thanks for posting the question. Since there are more than three sub-parts, we will…

Q: SJS Travel Agency, a nation wide local travel agency, offers special rates on summer period. The…

A: Given that -

Q: Forbes magazine published data on the best small firms in 2012. These were firms that had been…

A: The mean is calculated using the Excel software. After entering the data in cells A1 to A30 (there…

Q: Based on data from WHO, a representative sample of 11-year-old females could consist of the…

A: Arranging the data in Ascending order: 13.7, 14.7, 15.3, 15.8, 16.1, 16.5, 16.8, 17.2, 17.7, 18.1,…

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Q: Here is a set of sample data. 76 77 55 35 58 6 25 37 38 85 45 54 98 78 84 31 93 15 88 52 83 7 90 71…

A: Given  Data 76 77 55 35 58 6 25 37 38 85 45 54 98 78 84 31 93…

Q: Here is a sample data set that appears to be nearly normal (as suggested by the histogram). 85.4…

A: Introduction: For a sample of n observations in a sample, the sample mean, and sample standard…

Q: 1. The following set of data lists the number of text messages sent per day in a sample of college…

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Q: Forbes magazine published data on the best small firms in 2012. These were firms that had been…

A: The formula for 90% confidence interval for the mean age of CEO’s is given as

Q: 12. The age of random sample of 40 people who attended a show at the fox. Theater are given below.…

A: First, we have to order the numbers( age) from low to high. Then we have to find the median of the…