b My Questions xG Lucy rolled a xG he state lotter XG A spinner wit xT Homework Ar X|Solved] The xFacebookMath Resour X+.www-awu.aleks.com/alekscgi/x/Isl.exe/1o u-lgNslkr7j8P3jH-UIOnPgEsPrkicRI6pS60AVDIQYFU2vvpW5C8ID-kmdQXWKeCguxTjVtYPJQinalUTp3v_xKoyysHYph8jsbzz_5trFPh0q?10BW7QY|lbavbSAccessories.PB Pebble Watch Apps, Download music, m.Monsters- Traverse Gear-Chev..M GmailYouTube Mapse Myflixer - Watch m.e myflixer toSpectruO DESCRIPTIVE STATISTICSInterpreting relative frequency histogramsPaStudents at a major university in Southern California are complaining about a serious housing crunch. Many of the university's students, they complain, have tocommute too far to school because there is not enough housing near campus. The university officials' response is to perform a study. The study, reported In theschool newspaper, contains the following histogram summarizing the commute distances for a sample of 100 students at the university:Frequency30-2625251920+15-1311106.5+12162024Commute distance (in miles)Based on the histogram, find the proportion of commute distances in the sample that are less than 8 miles. Write your answer as a decimal, and do not roundyour answer.ExplanationCheckO2021 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center A164.jpg

The frequency histogram of commute distance is given.

Answered: Students at a major university in…

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. Tommy's cab company transports riders using 2 routes. Use the following data to determine the mean driving time and the variance in the driving time. Route 1 54 69 58 47 72 56 66 Route 2 61 62 63 53 58 65 59 67 1. Run Excel descriptive statistics for the data above. 1. Comment on any differences between the data.
Exhibit 2 The management of a department store is interested in estimating the difference between the mean credit purchase of customers using the stores credit card versus those customers using a national major credit card. You are given the following information: STORES CARD MAJOR CREDIT CARD Sample Size 75 52 Sample Mean $185 $150 Sample Std Dev $12 $8 Q21a = Refer to Exhibit 2. A Point estimate for the difference between the mean purchases of the users of the two credit cards is:
Consider the following two sample data sets. Set 1: 7 5 3 8 9 Set 2: 8 13 14 2 5 a. Calculate the coefficient of variation for each data set. b. Which data set has less consistency (or more variability)?
Bank of America's Consumer Spending Survey collected data on annual credit card charges in seven different categories of expenditures: transportation, groceries, dining out, household expenses, home furnishings, apparel, and entertainment. Using data from a sample of 42 credit card accounts, assume that each account was used to identify the annual credit card charges for groceries (population 1) and the annual credit card charges for dining out (population 2) Using the difference data, the sample mean difference was d = $850, and the sample standard deviation was så = $1,123. a. Formulate the null and alternative hypotheses to test for no difference between the population mean credit card charges for groceries and the population mean credit card charges for dining out. Ho : μα ♦ Select your answer - Ha d + - Select your answer - b. Use a = = 0.05 level of significance. Can you conclude that the population means differ? - Select your answer - ◆ What is the p-value? (to 6 decimals) c.…
Consider the following ordered data. 6 9 9 10 11 11 12 13 14 Find the low, Q1, median, Q3, and high.
In a study of computer use, 1000 randomly selected Canadian Internet users were asked how much time they spend using the Internet in a typical week. The mean of the sample observations was 12.6 hours.
QUESTION 4 Find the median for the given sample data. The number of vehicles passing through a bank drive- up line during each 15- minute period was recorded. The results are shown below. Find the median number of vehicles going through the line in a fifteen- minute period. 20 22 20 23 23 20 25 22 30 26 26 24 19 26 20 15 10 22 22 22 O 23 22 26 O 21.85 QUESTION 5 Construct a boxplot for the given data. Include values of the 5 -number summary in all boxplots. The weights (in pounds) of 30 newborm babies are listed below. Construct a boxplot for the data set. 5.55.758 5.9 6.1 6.1 63 646.5 6.6 676767K070707.0717272 Save A thmit Click Saue All Answers to save all answers.
Consider the following ordered data. 4 7 7 8 9 9 10 11 12 (a) Find the low, Q1, median, Q3, and high.
A researcher is looking into the price of round trip airline tickets between LA and NY. The five number summary for the data sets provided below: 1. 240 2.$3753.$ 450 4. $657 5. $890 Complete the following: 1. Interpret the value of the third quartile in a contextualized sentence: Blank (answer options: 25%, 50%, at least 50, at least 25, at least 75, 75%) of _(answer iptions: airline tickets, round trip airline tockets between LA and NY, the price of an airline ticket between Ny and La) are priced_(375 or less, 657, 450, 375, 657, 450) 2. Determine if a ticker priced at 1200 would be an outlier. A ticker priced at 1200 ( answer options: would, eould not) be considered an iutlier because 1200 is (within, not within)_(the interval 93 and 939, the interval -48 and 1080, within 3 sd's of the mean, two standard deviations of the mean)
4. Given the sample data in the table below: 12 10 15 19 23 5 12 10 12 19 10 19 34 19 19 15 a) Determine the mean, median, and mode of this data. Please show your work! 5 12 b) Determine the range and inter-quartile range of this data. Please show your work!
Performance anxiety is a disorder that impacts over 60 per cent of the world’s population. The impact of different types of performative activity on anxiety levels is not clear. 120 individuals were included in a focus group and where subject to performances in speech, dance and singing in front of a live audience. Their heart rates were measured for each performance and the average rate recorded: Speaking Singing Dancing 148 86 116 146 149 105 144 75 133 139 114 82 96 131 141 72 114 121 121 140 136 77 135 101 109 106 91 100 112 93 87 140 76 71 110 77 107 73 112 82 145 92 117 114 105 80 89 71 80 150 122 117 139 134 73 98 120 104 144 116 93 84 118 123 118 113 95 114 136 73 78 89 137 146 109 74 133 101 75 144 139 98 125 91 141 101 124 81 113 120 124 126 95 108 127 108 101 138 125 139 81 136 116 123 126 139 132 80 72 107 76 137 119 109 143 140 120 128 137 138 150 82 98 106 86 133 140 87 72 148 101…
One of the great difficulties a small restaurant manager faces is to pleaseevery customer who differs widely in age. On a randomly selected evening, this restaurant served 12 customers whose ages reported below: 87 58 54 61 3 35 31 28 3 16 68 36 a) What are the mean, median, and mode of the data? b) What measure of central tendency would you use here? Why? c) Find the ve-number summary of the data. ??

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