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 | Route 2 ||---------|---------|| 54 | 61 || 69 | 62 || 58 | 63 || 47 | 53 || 72 | 58 || 56 | 65 || 66 | 59 || | 67 |1. Run Excel descriptive statistics for the data above.2. Comment on any differences between the data.

1. The data regarding driving time for two routes are given.

Answered: 1. Tommy's cab company transports…

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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The accompanying data set lists diastolic blood pressure measurements (mm Hg) of females. All of the values are even numbers. Construct a stemplot. Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. (These values are often used to find the median.) 84 86 76 84 74 60 72 775 70 68 66 68 64 84 94 92 62 76 66 68 66 76 68 80 72 Construct the stemplot.
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Calculate the difference between List Price and Sale Price for each condominium by creating a new column and use the Data Analysis Toolpak Descriptive Statistics for that new column for Gulf View. Gulf View Condominiums List Price Sale Price Days to Sell 478.0 474.0 133 394.0 329.0 85 537.0 532.0 82 542.5 543.5 91 353.9 314.9 132 553.0 506.0 74 143.9 168.0 197 201.0 224.0 59 962.0 919.0 91 317.0 324.0 117 328.0 291.0 95 883.0 823.0 277 965.0 1012.0 103 470.0 421.0 61 298.0 290.0 43 362.0 361.0 47 319.0 301.0 93 524.0 469.0 159 434.0 370.0 158 683.0 680.0 153 409.0 405.0 18 681.0 656.0 6 321.0 314.0 140 412.0 393.0 89 366.0 344.0 105 474.0 493.0 43 906.0 871.0 125 444.0 468.0 170 415.0 426.0 212 259.0 225.0 99 647.0 633.0 85 611.0 594.0 90 352.0 321.0 98 596.0 579.0 34 319.0 288.0 139 190.0 219.0 53 379.0 394.0 148 450.0 429.0 49 488.0 455.0 85 443.0 423.5 156
Calculate the difference between List Price and Sale Price for each condominium by creating a new column and use the Data Analysis Toolpak Descriptive Statistics for that new column for No Gulf View. No Gulf View Condominiums List Price Sale Price Days to Sell 220.0 219.0 160 155.0 119.5 346 178.5 170.0 132 246.0 212.0 149 276.0 272.5 178 195.0 204.0 73 272.0 271.0 106 195.9 192.5 122 158.9 118.9 139 227.0 234.0 105 193.8 181.0 112 210.0 192.0 68 223.0 202.0 144 151.9 159.5 128 155.0 179.0 271 331.0 284.5 68 208.5 174.0 43 252.0 230.0 64
Name all of the following data sets that you would expect to be skewed. I. waiting times at the bankII. salaries of teachersIII. the selling price of homes IV. fuel efficiency of compact cars II and III IandII I, II, and III IV
Use this dataset for your analysis software.Cost-to-charge ratio (the percentage of the amount billed that represents the actual cost) for inpatient and outpatient services at 11 Oregon hospitals is shown in the following table. A scatterplot of the data is also shown. Cost-to-Charge Ratio Hospital OutpatientCare InpatientCare 1 62 80 2 66 76 3 63 75 4 51 62 5 75 100 6 65 88 7 56 64 8 45 50 9 48 54 10 71 83 11 54 100 The least-squares regression line with y = inpatient cost-to-charge ratio and x = outpatient cost-to-charge ratio is = -1.1 + 1.29 x. (a) Is the observation for Hospital 11 an influential observation? Yes or No (b) Is the observation for Hospital 11 an outlier? Yes or No (c) Is the observation for Hospital 5 an influential observation? Yes or No (d) Is the observation for Hospital 5 an outlier? Yes or No
8. Construct a box plot for the following data by finding the min, Q1, median, Q3, the max, and the IQR. 59, 50, 65, 68, 72, 80, 82
a. Find the mean, median, and range for each of the two data sets. Find the mean, median, and range for faculty parking. mean=nothing median=nothing range=nothing Faculty: 3 4 2 1 2 3 5 4 4 3 2 Student: 9 10 12 6 11 14 5 8 10 14 13
Nikko compares the prices of a skateboard at 7 different online stores. His data is shown below. $67.50, $70.00, $102.25, $65.25, $58.75, $62.00, $68.20 13 Given this information, which statement is true? A The mean and median have the same value. B. The mean is the better measure of center than the median. CThe median is a better measure of center than the mean. D. The median is affected more by the outlier than the mean. DELL
Construct a stem-and-leaf plot for the following data. 55 37 51 42 48 36 14 23 43 40 32 39 35 30 40 21 23 34 31 22
3. The data in the table shows the mileage that students commute to school. B. Find the weighted mean. Miles Midpoint Frequency 10 - 14 12 8 15 - 19 17 C. Draw a histogram for the data. 20 - 24 22 9 25 - 29 27 21 30 - 34 32 7 A. How many students are in the class?
Write one paragraph describing the data set using the histogram. Comment on the shape of the distribution of the data.

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