Question Onea) The following mistakes per page were observed in a bookNo. of mistakes per page3No. of times the mistakeoccurred0211190Fit a Poisson distribution to this data219540I

The objective of this question is to fit a Poisson distribution to the given data. The Poisson…

Answered: Question One a) The following mistakes…

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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Problem 9.2-2 Severe thunderstorms have Thunderstorms Observed Expected Freq. Number been recorded at a given Freq. (O-E) station over a period of 66 years. During the period, the frequencies of severe 20 19.94 0.06 1 23 23.87 -0.87 15 14.29 0.71 thunderstorms observed are as indicated in the table. 8 7.9 -1.9 A Poisson distribution with mean annual occurrence of u = 1.197 with the indicated expected frequencies has been used to model the phenomenon. Use the x? test with a = 0.05 to test the goodness of the proposed model. Ans. *x? = 0.0684
QUESTION 2 The monthly expenditures on grocery shopping for all households in a town has a mean of $400 and a standard deviation of 75. The distribution of these monthly expenditures is symmetric and bell-shaped. What percentage of households had a monthly expenditure of between $250 and $400 on groceries in this town? O 68% O 34% O 959% O 47.5%
Question 5 3.1 Question: The mean is heavily affected by what? O Outliers O Rounding O Excel Calling it the average Question 6
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QUESTION 13 The monthly expenditures on grocery shopping for all households in a town has a mean of $400 and a standard deviation of 75. The distribution of these monthly expenditures is symmetric and bell-shaped. At what percentile would the person who spends $475 per month on groceries be at in the distribution? O 5oth percentile O 75th percentile O 84th percentile O 34th percentile
Fit a Poisson distribution to the following set of data : No. of Death: 1 4 Frequency: 142 156 69 27 1
Question 2 DO THE GRAPH WITH EXACT LINES A sample of size 6 was collected from an unknown population 8 12 14 15 16 19 1. Use the table of expected z-scores (rounded to the nearest tenth) below to construct the normality plot with expected z-scores on the x-axis and the observations on the y-axis: 5 -1.2 -0.5 0 0.5 1.2 -2 Clear All Draw: 21 20 19 18 17 not normal normal 999 16 15 14 13 12 11 OHN 10 9 8 6 -1.3 -0.6 -0.2 0.2 0.6 1.3 7 -1.4 -0.8 -0.4 0 0.4 0.8 1.4 8 -1.4 -0.9 -0.5 -0.2 0.2 0.5 0.9 1.4 9 -1.5 -0.9 -0.6 -0.3 0 0.3 0.6 0.9 1.5 2. Based on whether the pattern above is linear or not, in your opinion, was the sample drawn from a normal population or not?
Question 7 of 16 Students in a high school statistics class responded to a survey designed by their teacher. One of the survey questions was "How much sleep did you get last night?" Here is a dotplot of the data: Describe the shape of the distribution. 4. 7 9 10 11 O Symmetric with peaks at 6 and 7. Amount of sleep (h) O Left skewed and with peaks at 6 and 7. O Left skewed with a single peak at 7 O Symmetric with a single peak at 7 O Right skewed with a single peak at 7

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Question One a) The following mistakes per page were observed in a book No. of mistakes per page 3 No. of times the mistake occurred 0 211 1 90 Fit a Poisson distribution to this data 2 19 5 4 0 I