A certain article reported the following observations, listed in increasing order, on drill lifetime (number of holes that a drillmachines before it breaks) when holes were drilled in a certain brass alloy.1014 20 2331 37 39 44 47 505961646769 70 7375 77 788285 86 90 9193 95 98 101 105106 106 111 119 123 137 140 141 147 157160169 185 207 247 264 290 323 387 513USE SALTCompute the sample median, sample mean, 10% trimmed mean, and 25% trimmed mean for the lifetime data. (Round 25%trimmed mean to four decimal places.)sample median92sample mean10% trimmed mean25% trimmed mean119.32102.275095.4615XCompare these measures.All four values have about the same value. The mean is somewhatlarger than the median and the 10% trimmed mean is closer to themean while the 25% trimmed mean is closer to the median.

Dat values:10,14, 20, 23, 31, 37, 39, 44, 47, 50, 59, 61, 64, 67, 69, 70, 73, 75, 77, 78, 82, 85,…

Answered: A certain article reported 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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The following datasets represent the growth of bacteria on two different mediums (YPD and F1). The numerical values represent the total biomass in mg/L. Sample No YPD medium 1 2 3 4 5 7 10 11 12 15 10 15 14 12 11 14 15 15 13 10 12 Fl medium 17 13 15 16 13 17 16 17 14 15 13 17 a) What is the arithmetic mean and standard deviation of YPD medium? b) What is the arithmetic mean and standard deviation of F1 medium? c) Compute the sample median for the YPD medium and F1 medium. d) Just looking at the mean, standard deviation and median what can you say about medium effect on growth?
The data below represent the prices of different items in a supermarket, construct the frequency table (use 6 classes) and find: 1) Мean 2) Median 3) Mode 4) Variance 5) Standard deviation 165 186 122 172 140 153 208 169 156 114 113 135 131 125 177 136 171 179 152 155 136 127 112 188 116
The following data reflect the number of defects produced on an assembly line at an electronics company for the past 24 days. 1 4 4 40 2 3 1 1 5 3 3 3 1 2 4 1 3 5 a. The mean number of defects is (Round to two decimal places as needed.) 2 8 5 3 a. Compute the mean number of defects for this population of days. b. Compute the median number of defects produced for this population of days. c. Determine if there is a mode number of defects, and if so, indicate the mode value. 2 4 OB. The mode number of defects is OC. There is no mode number of defects. b. The median number of defects is (Round to two decimal places as needed.) c. If there is a mode number of defects, indicate the mode value. Select the correct choice below and fill in the answer box, if necessary, to complete your answer. OA. There is more than one mode number of defects. The modes are (Use a comma to separate answers as needed.)
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The data show the population (in thousands) for a recent year of a sample of cities in South Carolina. 13 21 24 26 66 16 23 15 16 30 28 35 90 18 30 26 21 27 103 48 22 48 106 34 33 56 the data value---? Corresponds to the 48th percentile?
A certain article reported the following observations, listed in increasing order, on drill lifetime (number of holes that a drill machines before it breaks) when holes were drilled in a certain brass alloy. 12 13 19 23 30 37 58 61 66 68 69 72 81 83 84 90 91 92 105 105 113 119 124 136 162 40 44 46 51 74 76 77 80 96 100 101 104 139 141 148 159 168 184 205 247 263 288 321 388 513 sample mean Compute the sample median, sample mean, 10% trimmed mean, and 25% trimmed mean for the lifetime data. (Round 25% trimmed mean to four decimal places.) sample median 10% trimmed mean USE SALT 25% trimmed mean 92 91 98.67 95.2880 Compare these measures. X X X X 91.5 119.32 102.4 95.2869
5) The data below shows the weight of 36 bags of flour 501 500 502 501 507 496 499 503 499 500 498 498 499 505 503 502 511 499 499 498 490 513 505 502 507 500 505 501 499 507 493 494 499 505 496 488 a. Construct a frequency distribution table, a histogram and a cumulative frequency curve b. Use these to estimate the mode, median and the mean.
A certain article reported the following observations, listed in increasing order, on drill lifetime (number of holes that a drill machines before it breaks) when holes were drilled in a certain brass alloy. 12 15 21 23 30 58 60 65 68 67 82 83 86 88 104 104 111 118 124 137 140 141 147 158 USE SALT sample mean 10% trimmed mean 25% trimmed mean 90 773 15 268 Compare these measures. 72 93 38 43 47 50 162 169 185 205 249 263 289 321 389 514 74 76 77 79 95 99 100 103 Compute the sample median, sample mean, 10% trimmed mean, and 25% trimmed mean for the lifetime data. (Round 25% trimmed mean to four decimal places.) sample median PRACTICE ANOTHER 4
The following data reflect the number of defects produced on an assembly line at an electronics company for the past 24 days. 3. 3 1 2 4 1 4 O 2 3 1 5 5 3 8 a. Compute the mean number of defects for this population of days. b. Compute the median number of defects produced for this population of days. c. Determine if there is a mode number of defects, and if so, indicate the mode value. a. The mean number of defects is (Round to two decimal places as needed.) b. The median number of defects is (Round to two decimal places as needed.) c. If there is a mode number of defects, indicate the mode value. Select the correct choice below and fill in the answer box, if necessary, to complete your answer. O A. The mode number of defects is O B. There is more than one mode number of defects. The modes are (Use a comma to separate answers as needed.) OC. There is no mode number of defects. 44 24 22
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Consider the sample of 65 customer satisfaction ratings given in the table (below). 39 46 42 40 45 44 44 44 45 45 44 46 46 46 41 46 46 38 40 40 41 43 38 48 39 42 39 47 43 47 43 44 41 42 40 44 39 43 36 41 44 41 42 43 43 41 44 45 42 38 45 45 46 40 44 44 47 42 44 45 45 43 45 44 43 Click here for the Excel Data File Carry out a chi-square goodness-of-fit test of normality for the population of all customer satisfaction ratings using α = .05. Recall that we previously calculated x⎯⎯x¯ = 42.95 and s = 2.6424 for the 65 ratings. Use the Empirical Rule to create the intervals. (Round your expected frequencies to 2 decimal places. Round your answer to 3 decimal places.)
Following discrete data shows the marks achieved by the students on writing a “Feasibility report” to launch a new Schooling System for differently abled children. 92 54 57 37 77 90 23 54 80 82 44 77 84 38 54 84 Calculate: Arithmetic Mean Harmonic Mean Geometric Mean Root Mean Square Median and Mode

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