in Malate indicated that 40survey takenguests preferred the following means of transportation:Aatahotelcarbusplane train busbusplane carplane planecarbusplane carcartrain traincarcarcarcarplaneplane carbuscarbuscarplane carplane plane carcarcarbustraincarbuscarConstruct a categorical distributionshowingthefrequenciescorrespondingtothedifferentofmeanstransportation. Interpret the results.

Categorical Distribution The modes of transport by the guests to the Hotel are given below: Car…

Answered: A survey taken guests preferred the…

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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Samples of forty-two (42) college students are considered for study and were categorized according to year level. The data set is Freshman Freshman Sophomore Freshman Junior Sophomore Sophomore Freshman Sophomore Freshman Sophomore Senior Senior Senior Senior Sophomore Sophomore Junior Freshman Freshman Freshman Sophomore Junior Junior Freshman Freshman Sophomore Senior Senior Junior Sophomore Freshman Freshman Freshman Construct a frequency distribution for the data. Solution: Class Total Tally -ww Frequency Freshman Junior Junior Sophomore Junior Junior Freshman Relative Frequency Sophomore Percentage
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
Ten novels were randomly selected, and the number of pages were recorded as follows: 415 398 402 399 400 405 395 401 412 407 Calculate the median of the data set. Ten novels were randomly selected, and the number of pages were recorded as follows: 415 398 402 399 400 405 395 401 412 407 Calculate the median of the data set. 403.4 407 399 401.5 395
M&M’s The candy company claims that 16% of theMilk Chocolate M&M’s it produces are green. Supposethat the candies are thoroughly mixed and then packagedin small bags containing about 50 M&M’s. A class ofelementary school students learning about percents opensseveral bags, counts the various colors of the candies, andcalculates the proportion that are green.a) If we plot a histogram showing the proportions ofgreen candies in the various bags, what shape wouldyou expect it to have?b) Can that histogram be approximated by a Normalmodel? Explain.c) Where should the center of the histogram be?d) What should the standard deviation of the samplingdistribution be?
Consider the following two distributions of total PAC contributions given to five members of Congress: Distribution 1:$20,000, $40,000, $60,000, $80,000, $100,000 Distribution 2:$20,000, $40,000, $60,000, $80,000, $1,000,000 Compute the mode(s), median, and mean for each. Verbally interpret each figure, and compare the two distributions.
The lengths (in kilometers) of a random sample of 18 rivers on the South Island of New Zealand that flow to the Pacific Ocean are listed in table below. Lengths of Rivers (in km) 136 121 322 209 208 98 160 66 97 56 90 48 167 64 72 93 288 138 For the data shown above, find the following. Do not round any of your answers. The program here will take either answer.a) Find the 5-number summary: { ,,,, } b) Compute the IQR. Put your answer in the first box and the correct units in the second box. c) What is the lower fence for this data set? What is the upper fence for this data set? d) Which of the following is the correct modified boxplot for the data? What units would go on each of your answers above?
Kevin asked some of his friends how many hours they had worked during the previous week at their after-school jobs. The results are shown below. 5 6 5 4 5 5 9 8 5 3 7 6 6 7 5 6 7 5 6 8 6 7 8 4 a) Construct a frequency distribution table using 4 classes. Construct relative frequency table. b) Construct a histogram, frequency polygon, and stem-and-leaf diagram for the data.
The General Social Survey asks questions about one’s happiness in marriage. Is there an association between gender and happiness in marriage? Use the data in the table to determine if gender is associated with happiness in marriage. Treat gender as the explanatory variable. Female Male Very happy 7,609 7,942 Pretty happy 3,738 4,47 Not too happy 259 460 a) Construct a frequency marginal distribution b) What percentage of males feel not too happy? c) Is gender associated with or independent from happiness in marriage? Why
The marketing team at an internet music site wants a better understanding of who their customers are. They send out a survey to 25 customers asking for demographic information. One of the variables is the customer's age. For the 25 customers, the ages and a histogram of those ages are shown to the right. Complete parts a) through c). U me mean age sivula De vigyer man me mevail pecause the distribution is skewed to the nym b) Find the mean age. The mean is 31.56 c) Find the median age. The median is C 13 20 33 32 43 15 28 30 39 40 19 28 32 39 40 22 29 34 38 46 24 29 31 39 46 g of Customers 25 Age 50
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.
Create a relative frequency distribution table for the following ungrouped data: 34 53 39 36 50 41 52 36 55 34 57 49 60 39 32 57 45 54 56 33 33 35 47 46 52 39 39 52 57 32. Create a histogram that corresponds to the created table.

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