Sleeping outlier: A simple random sample of nine college freshmen were asked how many hours of sleep they typically got per night. The results were8.5Send data to ExcelPart: 0/3Part 1 of 39 8Skip PartNotice that one joker said that he sleeps 24 hours a day.224Check(a) The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct a 99% confidence interval for the mean amount of sleep fromthe remaining values. Round the answers to two decimal places.<μ< 0.#A 99% confidence interval for the mean amount of sleep from the remaining values is36.5To to6809.5F37.5 7.55XMacBook Air67ŚStCSave For Later800T18oloillo2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center AccessibilitySubmit Assignment

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Answered: Sleeping outlier: A simple random…

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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Analysis of Variance. A research study compared beer consumed daily between 3 groups with 3 observations each. Group1 was USC, Group 2 UCLA, and Group 3 UCSB. Determine if there is a significant difference among the groups 5% level. Group1: USC Group 2: UCLA Group 3: UCSB The Results of this study are in the following table: Group1 Group2 Group3 Sample 3, 4, 5 3.2, 4, 4.2 3, 4, 3.3 Mean 4.0 3.7 3.4 S^2 4.4 5.2 6.1 a. What are the null and alternative hypotheses? b. what is the average mean due to treatments? c. What is the Treatment Sum Square SSTR? d. What is the Mean Square Treatments MSTR?
Is the boxplot skewed and does it have any outliers?
4a. Suppose that 35% of senior citizens have a social media account. If we survey 150 senior citizens, what is the mea of the sampling distribution?
Complete parts (a) through (d) for the sampling distribution of the sample mean shown in the accompanying graph. Click the icon to view the graph. (a) What is the value of u;? The value of u; is 600. (b) What is the value of o;? The value of o; is 30. (c) If the sample size is n= 9, what is likely true about the shape of the population? O A. The shape of the population is skewed left. O B. The shape of the population is skewed right. C. The shape of the population is approximately normal. O D. The shape of the population cannot be determined. (d) If the sample size is n= 9, what is the standard deviation of the population from which the sample was drawn? The standard deviation of the population from which the sample was drawn is
soda vary slighty in weight. Given below are the measured weights of seven cans, in pounds. Find the mean and median of these weights. Which, if any, of these weights would be considered an outlier? What are the mean and median weights if the outlier is excluded? 0.8158 0.8192 0.8168 0.8177 0.7905 0.8144 0.8128- Find the mean and median of the weights. The mean is (Round to five decimal places as needed.)
Sleeping outlier: A simple random sample of ten college freshmen were asked how many hours of sleep they typically got ber night. The results were 24 8. 6.5 8.5 7.5 6.5 8.5 9.5 Send data to Excel Notice that one joker said that he sleeps 24 a day. Part: 0/3 Part 1 of 3 (a) The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct a 95% confidence interval for the mean amount of sleep from the remaining values. Round the answers to at least twe decimal places. A 95% confidence interval for the mean amount of sleep from the remaining values is
Which is a negatively skewed distribution?
skip if you already did this or else downvote
Suppose a random sample of 1012 athletes from the college are asked what their major is. The table below shows the results of the survey. Outcome Observed Frequency Math/Science 186 Arts & Humanities 233 Business & Economics 311 Other 282 The distribution of majors at the college is shown in the second column of the table below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Majors at the College Outcome Expected Percent Expected Frequency Math/Science 23 Arts & Humanities 18 Business & Economics 31 Other 28
Sleeping outlier: A simple random sample of nine college freshmen were asked how many hours of sleep they typically got per night. The results were 24 8.5 9 8 6.5 7.5 6 8.5 9.5 Notice that one joker said that he sleeps 24HRS a day. Part: 0 / 3 0 of 3 Parts Complete Part 1 of 3 (a) The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct a confidence interval for the mean amount of sleep from the remaining values. Round the answers to at least two decimal places. A 99.5% confidence interval for the mean amount of sleep from the remaining values is .
Q4: The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that the distribution is A. symmetrical. B. negatively skewed. C. positively skewed. D. none of the above.
A- How many scores are included in the computation of the range? B- What does to mean to say that the sample variance is biased? C- How many scores are included in the computation of the variance?

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