2. Here are some of the tallest land animals in the world. Find the measures of thecentral tendency of the given data set. Use 100 as a class interval.AnimalHeight (cm)Zebra180Тapir150Rhinoceros190Ostrich230Moose240Llama180Kangaroo150Horse220Hippopotamus180Gorilla170Giraffe580Elephant360Donkey170Deer150Cow160Chimpanzee150Camel220Buffalo210Black Wildebeest180Bison210Bear210

Answered: Image /qna-images/answer/5f10f092-2ca1-446f-b8e6-a16d3f3aad82.jpg

Answered: 2. Here are some of the tallest land…

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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1. Construct a frequency distribution using the ages of 50 richest people in the world in 2009. Using 8 classes. Also find class boundaries, mid points, relative frequency and cumulative frequency. 90 89 87 86 86 85 83 83 82 81 80 78 78 77 76 73 73 73 72 69 69 68 67 66 66 65 65 64 63 61 61 60 59 58 57 56 54 54 53 53 51 51 49 47 46 44 43 42 36 35 2. Following data represents the weights (in pounds) of 40 female students at a university. Construct a grouped frequency distribution for the data using 7 classes. Also find class boundaries, mid points, relative frequency and cumulative frequency of each class. 100 75 70 60 70 95 85 80 35 45 45 55 30 110 75 100 40 60 65 40 40 50 60 65 55 45 90 85 75 85 75 70 110 100 80 70 55 30 70 100 3. Construct frequency distribution, with 6 classes. Also find class boundaries, mid points, relative frequency and cumulative frequency of each class. 65 91 85 76 85 87 79 93 82 75 100 70 88 83 59 87 69 89 54 74 89 80 94 67 77 92 82 70 94 84 96 98 46 70 90 96…
1. Given the data set: {3, 5, 6, 9, 4,7,4,2,3,9, 1, 3, 8} provide the following rounded to two decimal places if needed) The mean а) b) The median The mode c) The range _The midrange d) e The five number summary f) g) A box and whisker plot: draw below using the provided number line for scale. 3 6 10 1 2 4 7 89 h) Is this data set skewed_yes - positive/right, yes - negative/left or no - symmetric (circle one) _The standard deviation (O i) j) Most of the data in the set above are between - 6 and u6. Calculate these values and verify this statement based on the set above. k) According Chebyshev's Theorem, what fraction of the set lie within 2 standard deviations of the mean? Verify this based on the set above
Use the line graph to describe whether there is an interaction (between type of word and classification category).
Q. Using the data given below answer the questions asked. 56 48 47 42 52 58 42 37 68 40 32 46 45 41 38 34 54 57 61 53 26 45 46 44 50 30 40 56 44 39 21 49 45 51 38 63 39 33 42 37 62 48 43 41 35 43 52 28 54 36 a) Make a frequency distribution of the data with proper number of classes, class limits, class boundaries, midpoints of the classes, frequencies and cumulative frequency columns. b) Make histogram of the data and also draw its frequency polygon. - c) Find Mean, Median, Mode and Quartiles of the data using the frequency distribution.
A class of undergraduate mechanical engineering students was surveyed. Respondents were asked about their political alignment. Of the 340 students who answered that question, 45 declared being conservative, 126 aligned with liberal ideology and 169 saw themselves as moderate. i) Give a frequency table for these data on political alignment. ii) Show how to obtain the corresponding relative frequency distribution and write a short sentence describing it. iii) How many modes do you see? What might explain this? iv) Is the shape symmetric, skewed right or left? What might explain this? Finally, in that same survey, respondents were asked to pick a random number from 1 to 9. v) What type of shape do you expect to see for a histogram displaying their answers and why?
Data was collected for 225 fish from the North Atlantic. The length of the fish (in cm) is summarized in the histogram below. 40 35 30 25 20 15 10 15 30 45 60 75 90 105 120 length of fish (cm) Based on the Histogram above, reconstruct the corresponding Frequency Distribution Table Class Frequency Áuənbəs
Find the mean of the data summarized in the given frequency distribution. 12) The highway speeds of 100 cars are summarized in the frequency distribution below. Find the mean speed. Speed (mph) Cars 30-39 4 40-49 19 50-59 50 60-69 15 70-79 12 A) 61.3 mph B) 58.5 mph C) 55.7 mph D) 54.5 mph I said, D, and it is wrong.
his question refers to excavations at a national monument. One question the archaeologists asked was: Is raw material used by prehistoric Indians for stone tool manufacture independent of the archaeological excavation site? Two different excavation sites gave the information in the following table. Use a chi-square test with 5% level of significance to test the claim that raw material used for construction of stone tools and excavation site are independent. Excavation Site Material Site A Site B Row Total Basalt 756 559 1315 Obsidian 92 103 195 Pedernal chert 514 521 1035 Other 88 91 179 Column Total 1450 1274 2724 (a) What is the level of significance? (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)

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