Question 9A scientific study was conducted to determine the hours of sleep that college students get per night. Thestudy surveyed 29 college students and obtained the following data:7.9, 5.5, 7.6, 6.2, 6.5, 7.8, 7.2, 7.5, 6.5, 8.5, 6.9, 7.5, 9.4, 7.6, 6.2, 5.6, 8, 8.1, 5.9, 7.3, 5, 8.2, 7.2, 9.2,7.3, 8.5, 7.9, 7.6, 7.3Assuming the population standard deviation is a = 0.96, construct a 89% confidence interval for theaverage hours of sleep per night that college students get.x =a2NIR11▼ < >=Margin of Error: E =We are 89% confident that college students get an average of betweenhours of sleep per night.Submit QuestionMacBook Airhours and

The given data is 7.9 5.5 7.6 6.2 6.5 7.8 7.2 7.5 6.5 8.5 6.7 7.5 9.4 7.6 6.2 5.6 8 8.1 5.9 7.3…

Answered: students and obtained the following…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Some data is intentionally missing. By hand or R-Studio is fine Thanks in advance! DeCaf Caf 1 11.5 3.3 2 0.2 4.8 3 4 10.6 4 6.7 8.3 5 13.4 5.7 6 16.1 3.2 7 14.1 6.8 8 10.3 5.9 9 6.9 5.2 10 6.7 9.4 11 4.1 8.8 12 7.6 12.7 13 6.5 1.1 14 11.4 8.6 15 5.1 11.1 16 10 9.9 17 6.7 6.3 18 6.8 8.5 19 1.4 9.5 20 2.4 6.2 21 2.7 10.6 22 3.1 5.6 23 2.6 3 24 4.5 12.9 25 0.6 8.3 26 4.4 27 0.2 28 0.7 29 4.5 30 5.1 31 12.2 32 3.6 33 3 34 10.3 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52…
The coefficient of varlation for the following data is 60, 47, 75, 85, 58 O A. 23.50% O B. 24.05% O C. 25.23% O D. 23.05%
Researchers wished to know if they could conclude that two populations of infants differ with respect to mean age at which they walked alone. The following data (ages in months) were collected: Sample from population A: Sample from population B: 9.5, 10.5, 9.0, 9.75, 10.0, 13.0, 10.0, 13.5, 10.0, 9.5, 10.0, 9.75 12.5, 9.5, 13.5, 13.75, 12.0, 13.75, 12.5, 9.5, 12.0, 13.5, 12.0, 12.0 What should the researchers conclude? Let a = .05.
Suppose the following data shows the number of the problems from the Practice Problems Set attempted in the past week by 10 randomly selected students: 2, 4, 0, 7, 1, 2, 0, 3, 2, 1 Estimate the mean number of practice problems attempted by a student in the past week. 2.0 2.4 2.2 3.0
Q: a.Twelve homes in one city were underinsured on the average of $5,000, 24 homes in another city were underinsured on the average of $6,200 and 14 homes in a third city were underinsured on the average of $6,900. Find the overall average amount of the underinsured homes. b. A writer earns a mean average of $15.00 per hour for 4 hours of work, $17.50 per hour for 2 hours of work, $13.33 per hour for 3 hours and $14.00 per hour for 1 hour. What is the overall average earning per hour of the writer?
An ANOVA is used to compare the mean GPA of the following groups of students.
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The following data are the number of pages in 40 books on a shelf. 119; 140; 178; 190; 205; 215; 217; 218; 232; 234; 240; 255; 270; 275; 290; 301; 303; 315; 317; 318; 326; 333; 343; 349; 360; 369; 377; 388; 391; 418; 420; 420; 421; 421; 422; 422; 429; 450; 475; 508 Select which of the below represent the correct box plot of the given data, and state the interquartile range. Select the correct box plot. 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 The interquartile range is Number
The following data set lists the mid-term scores received by 50 students in a QuantitativeMethods’ class:45, 85, 92, 99, 37, 68, 67, 78, 81, 25,97, 100, 82, 49, 54, 78, 89, 71, 94, 87,21, 77, 81, 83, 98, 97, 74, 81, 39, 77,99, 85, 85, 64, 92, 83, 100, 74, 68, 72, 65, 84, 89, 72, 61, 49, 56, 97, 92, 82 i. Calculate the first, second, and third quartiles of the mid-terms scoresii. Calculate the interquartile range. What can you conclude from this?
Find the Mean, Median, and Mode for Ungrouped and Grouped Data of the given data set 18 26 19 23 19 22 24 24 19 15 22 12 25 22 22 24 22 25 24 19 18 23 14 16 22 23 19 20 14 23 24 35 19 17 20 17 14 12 24 20
3. Consider the following set of data, which represents a simple random sample of heights (in inches) of full-grown corn plants in Horseyetown, WI: (78.5, 88.8, 76.2, 73.0, 79.5, 66.9, 72.4, 86.6, 67.6, 73.5, 72.6, 72.6, 80.0, 69.1, 79.1, 73.9, 72.3, 83.3, 64.3, 69.1) Round your answers to 2 decimal places. A. Calculate the range. B. Calculate the sample mean. C. Calculate sample statistics to estimate the population standard deviation and variance of all full-grown corn plants in Horseyetown, WI.
The following pollution levels were found in water samples:1.4,1.7,1.8,1.9,2.2,2.2,2.3,2.4,2.6,2.6,2.7,2.8,2.9,3. 0,3.0,3.0,3.1,3.2,3.3,3.4,3.4,3.5,3.6,3.7,3.8 prepare an ordered stem and leaf plot for the data. Briefly describe the distribution of the data.

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