Frank measured the heights of the trees near his house. The heights (in feet) he recorded are 31, 41, 64, 107, 43, 32, 39, 41, 55, 39, 104, 53, 65. Whatis the range of tree height within one standard deviation of the mean?O 35 to 75O 5 to 105O 15 to 95O 30 to 80%23M COST +1.71%nere to searchF10F11F12Prt ScInsertDelF7F8F9F5F6F4Backspace24%56789

We have given that, The hights of the tree are, 31, 41, 64, 107, 43, 32, 39, 41, 55, 39, 104, 53, 65…

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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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Q.5) Find the mean absolute deviation for the set below. S= {65, 90, 85, 70, 70, 95, 55} A. В. C. D. 12.24 75.7 85.7 40
A scientist claims that pneumonia causes weight loss in mice. The table shows the weights (in grams) of six mice before infection and two days after infection. At a = 0.01, is there enough evidence to support the scientist's claim? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below. Mouse 1 2 4 6 Weight (before) Weight (after) 21.6 23.6 23.1 23.3 21.5 21.3 20.3 22.9 22.4 22.8 20.6 20.1
II. Given the measurements 20, 26, 40, 39, 36, 25, and 34. Compute for standard deviations. ( show solutions ).
27. For the following problem below, sketch the graph showing the mean and standard deviation, as well as the area in question. Show work to support your calculations. Suppose that the number of points that you score in a given quiz is approximately bell-shaped with a mean of 30 and a standard deviation of 6. Use the empirical rule to determine the following: a) What is the probability that you score between 18 and 42 points? b) What is the probability (two decimal places) that you score between 12 and 36 points? c) What is the probability (two decimal places) that you score less than 48 points?
2. For a population with a standard deviation of o = 20. find the z-score for each of the following locations in the distribution. a. Above the mean by 5 points b. Above the mean by 2 points c. Below the mean by 10 points d. Below the mean by 30 points b. C. d. Copyrgnt2ta Cengage Learning ARignts Resrved, May not be copled. Type here to search
10. Find the standard deviation. A. 2.15 B. 3.25 C. 4.32 D. 5.64
6. The mean marks of 100 students were tound to be 40. Later on it was discovered that a score of 53 was misread as 83. Find the correct mean corresponding to the correct score. od Jaum eror bns adi wolod enaenb ainfoq-bim orti bas in d od ar
14 38. The income distribution of officers of a certain company was found to follow normal distribuiton. The average income of an officer was Rs. 15,000.00. The standard deviation of the income of officers was Rs. 5,000.00. If there were 242 officers drawing salary above Rs. 18,500.00, how many officers were there in the company ?
23. Which set of numbers below will have the highest standard deviation? A. 1, 1, 2, 3, 5, 5, 9, 10, 10 B. 1, 1, 1, 2, 4, 9, 9, 19, 20 C. 2,4, 4, 6, 7, 8, 8, 10, 10 D. 3, 3, 3, 5, 5, 6, 7, 7, 7 E. 7,7,7, 7,7, 8, 8, 8, 8
If the population mean for women's heights is 66" with a population standard deviation of 3", what percentile are the following women in? a. Barb is 67", what percentile is she of women's heights? b. Stella is 72", what percentile is she of women's heights?
4.
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is the range of tree height within one standard deviation of the mean? Wilat O 35 to 75 O 5 to 105 O 15 to 95 O 30 to 80