3. Transportation engineers are considering changing the speed limit on a ruralroad. Every day for 1 week, a technician records speeds of vehicles using theroad in kilometres per hour. Here is a representative sample of data:87 90 73 70767478 756968687285787270 75 7576 65a) What are the quartiles for this data set?b) Determine the 85th percentile speed for these data. (K

Solution: The observations in increasing order are 65, 68, 68, 69, 70, 70, 72, 72, 73, 74, 75, 75,…

Answered: 3. Transportation engineers are…

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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Use the following cell phone airport data speeds (Mbps) from a particular network. Find the percentile corresponding to the data speed 8.2 Mbps, rounding to the nearest whole number. 0.1 0.2 0.2 0.3 0.3 0.3 0.4 0.4 0.4 0.5 0.6 0.6 0.7 0.7 0.8 1.4 1.5 1.5 1.8 1.9 1.9 2.1 2.2 2.3 2.4 2.6 2.7 2.9 2.9 2.9 3.1 3.3 3.4 3.9 4.7 5.2 6.8 7.9 8.2 8.3 9.4 11.3 12.2 12.4 12.4 13.4 14.1 14.2 14.9 26.7 А. 25 B. 48 81 D.76
2. The speeds (in km/hr) of 14 roller coasters found around the world are given below. Find the median. upper and lower quartiles, the maximum and minimum, then make a box plot to display the data. 149, 85, 85, 120, 128, 107, 85, 104, 105.6, 104, 95, 93, 92, 90 Min: Q1: Median: Q3: Max:
The accompanying data table includes the engine size (in liters) and horsepower (HP) of 20 types of cars sold last year. Engine_Size Horsepower 3.6 246 6.2 501 6.0 435 3.4 262 3.0 258 3.5 243 3.8 321 4.0 309 4.2 362 1.4 142 1.5 124 3.6 308 1.6 155 1.8 167 5.3 422 2.0 157 2.3 185 2.4 227 2.5 183 2.8 259 (b) Estimate the linear equation using least squares. Interpret the fitted intercept and slope. Be sure to include their units. Note if either…
Consider the following data consisting of 9 values: Data 3 20 12 0 16 5 19 4 8 The minimum is The first quartile is The median is The third quartile is The maximum is The IQR is
Use the following cell phone airport data speeds (Mbps) from a particular network. Find the percentile corresponding to the data speed 7.5 Mbps, rounding to the nearest whole number.
Determine the mode and standard deviation of the data
2. The heights and arm spans of 10 adult males were measured (in cm). Is there a significant correlation between these two measurements? Carry out an appropriate analysis. Height (cm) Span (cm) 171 173 195 193 180 188 182 185 190 186 175 178 177 182 178 182 192 198 202 202
A sample of blood pressure measurements is taken from a data set and those values (mm Hg) are listed below. The values are matched so that subjects each have systolic and diastolic measurements. Find the mean and median for each of the two samples and then compare the two sets of results. Are the measures of center the best statistics to use with these data? What else might be better? Systolic: Diastolic: 111 83 53 145 105 149 114 147 134 84 69 90 74 77 122 110 101 73 85 64 Find the means. The mean for systolic is mm Hg and the mean for diastolic is mm Hg. (Type integers or decimals rounded to one decimal place as needed.)
The table below has a total of 47 values. Find the 9th decile for the following Grouped Frequency Data Table (GFDT). Lower Class Limit Upper Class Limit Frequency 30 34 4 35 39 6 40 44 2 45 49 9 50 54 7 55 59 4 60 64 3 65 69 9 70 74 3 The 9th decile =
Find the mode, mean, and standard deviation of the following data: 3, 2, 3, 4, 6
Consider the following data representing the price of refrigerators (in dollars). 1260, 1446, 1106, 1269, 1443, 1424, 1118, 1132, 1177, 1115, 1156, 1262, 1215, 1236, 1243, 1169, 1437, 1191, 1401, 1439, 1365 Answer Class 1093-1152 1153-1212 1213-1272 1273-1332 1333-1392 1393-1452 Price of Refrigerators (in Dollars) Frequency Relative Frequency Cumulative Frequency Step 3 of 4: Calculate the relative frequency of the sixth class. Determine your answer as a simplified fraction. Tables Keybe Previous
Consider the following data representing the price of refrigerators (in dollars). 1260, 1446, 1106, 1269, 1443, 1424, 1118, 1132, 1177, 1115, 1156, 1262, 1215, 1236, 1243, 1169, 1437, 1191, 1401, 1439, 1365 Answer Class 1093-1152 1153-1212 1213-1272 1273-1332 1333-1392 1393-1452 Step 2 of 4: Determine the frequency of the first class. Price of Refrigerators (in Dollars) Frequency Relative Frequency Cumulative Frequency Tables

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