Find the 74th percentile, P74, from the following data1000110014001500200023002400250027002900330034003600380039004000410042004300440049005400550057005900610064006700720073007400760078008000810082008300850086008900P74

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Answered: Find the 74th percentile, P74, from 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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Draw a frequency histogram and cumulative frequency polygon for the following distributions: a. The heights of all entering freshmen at Polytechnic University. Heights (inches) Frequency 62 63 57 64 65 160 66-67 360 68 -69 462 70-71 298 72-73 179 74-75 32 The systolic blood
Use the cumulative frequency and grouped scores obtained by a college sophomore class on an English exam to determine the following. Class Interval Relative Cumulative Cumulative 96-99 0.01 100.00 92-95 0.06 87 98.86 88-91 0.07 82 93.18 84-87 8 0.09 76 86,36 80-83 10 0.11 68 77.27 76-79 13 0.15 58 65.91 72-75 14 0.16 45 S1.14 68-71 11 0.12 31 35.23 64-67 0.08 20 22.73 60-63 0.06 13 14.77 56-59 0.03 9.09 52-55 0.02 5.68 48-51 0.02 3.41 44-47 0.01 1. 1.14 1.00 (a) The percentile rank of a score of 90 90 18 (b) The percentile rank of a score of 72 3523 (c) The percentile rank of a score of 55 5.68
The road transport and safety agency set up a radar checkpoint and recorded the speed in kilometers per hour of a random sample of 50 cars that passed this checkpoint in one hour. The speeds of the cars were recorded as follows; 74 66 65 55 48 56 50 65 75 67 76 68 50 65 60 65 60 51 68 76 68 77 68 65 52 52 63 65 80 70 65 81 70 63 53 45 65 55 71 64 55 70 64 45 66 64 40 66 55 71 Make a frequency distribution table using 5 as a class width Find the mean and standard deviation What value represents the median
Find the 34th percentile
Find the 24th percentile, P24, from the following data 1 3 4 5 11 14 19 21 24 34 35 36 41 43 49 53 60 63 75 79 95 98 99 P24 =
Suppose that a polling company surveyed 600 people about how much time they spend watching television each day. The results of this survey were compiled and used to create this relative frequency histogram. Assume that all percentages shown in the histogram are whole numbers. Each of the bars in this histogram includes only the left endpoint of the class except for the last bar, which also includes the right endpoint. What percentage of respondents said that they watch television at least six hours per day? How many respondents said that they watch television between three and five hours per day?
Find the 14th percentile, P₁4, from the following data 1100 1500 1700 2200 2700 3200 3800 4600 5100 5200 5300 5400 5500 5700 5900 7000 7100 7200 7300 7700 8600 8700 P14 =
Calculate the appropriate measure of skewness from the following distribution. Monthly income Upto 100 100-150 151-200 201-300 301-500 501-750 751-1000 1000 & above Frequency 9 51 120 240 136 33 9 2
Find a quadratic mean for the :following data Class Frequency Intervals 2.30-2.39 2.40-2.49 2.50-2.59 3. 2.60-2.69 6 2.70-2.79 2.80-2.89
Find the 24th percentile, P24, from the following data 2 9 10 11 13 14 16 22 23 24 25 26 27 37 38 39 42 53 55 56 59 60 62 63 64 67 69 70 73 76 82 83 86 89 90 95 96 P24 =
In the following table the weights of 40 male students at State University are recorded to the nearest pound. Construct a frequency distribution with the lowest class interval 118 – 122. 138 164 150 132 144 125 149 157 146 158 140 147 136 148 152 144 168 126 138 176 163 119 154 165 146 173 142 147 135 153 140 135 161 145 135 142 150 156 145 128
Construct a frequency distribution for the given data set using 6 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? 269 258 331 447 408 358 Amount (in dollars) spent on books for a semester 84 482 511 430 508 446 158 50 485 269 412 395 95 304 403 87 405 381 320 245 473 87 315 C Complete the table, starting with the lowest class limit. Use the minimum data entry as the lower limit of the first class. (Type integers or decimals. Round the class limits to the nearest whole number. Round all other values to the nearest thousandth as needed.) Relative Cumulative Frequency Class 50-126 Frequency 75 Midpoint 88 Frequency 75 Clear all Check answer

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Find the 74th percentile, P74, from the following data 1000 1100 1400 1500 2000 2300 2400 2500 2700 2900 3300 3400 3600 3800 3900 4000 4100 4200 4300 4400 4900 5400 5500 5700 5900 6100 6400 6700 7200 7300 7400 7600 7800 8000 8100 8200 8300 8500 8600 8900 P74