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 3058 60 65686782 83 86 88104 104 111 118 124 137 140 141 147 158USE SALTsample mean10% trimmed mean25% trimmed mean90773 15 268Compare these measures.729338 43 47 50162 169 185 205 249 263 289 321 389 51474 76 77 7995 99 100 103Compute 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 medianPRACTICE ANOTHER4

We have given a list of data in increasing order, as follows:…

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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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. 10 13 19 22 30 35 40 45 47 50 58 60 64 66 67 70 74 77 78 79 80 83 86 90 91 92 96 98 100 103 104 104 113 119 122 137 138 142 147 159 161 169 184 207 247 264 288 322 389 513 LAUSE SALT 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 sample mean 10% trimmed mean 25% trimmed mean Compare these measures.
Consider the data in the table below which was collected from a random sample of 20 vendors at a local open market during the first week after the lockdown period: Vendor Number of years in operation Daily income (N$) 1 > 5 years 1555 2 5 years 1790 6. Between 1 and 5 years 1660 7 5 years 1950 9. Between 1 and 5 years 2240 10 > 5 years 1811 11 Between 1 and 5 years 1904 12 > 5 years 2209 13 5 years 2010 15 Between 1 and 5 years 2300 16 Between 1 and 5 years 300 17 5 years 662 19 Between 1 and 5 years 1444 20 <1 year 755 Required: Construct a cross-tabulation between the random variables Daily Income and Number of years in Operation and provide an interpretation.
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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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
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
5. Given the diameter of 100 rods produced by particular machine: Diameter (cm) | No. of rods 0.48 – 0.53 17 0.54 0.59 25 0.60 – 0.65 0.66- 0.71 37 46 0.72 0.77 23 From data above: (a) Calculate mean. (b) Compute median. (c) Calculate mode. (d) Calculate Pearson's coefficient of skewness an interpret your finding.
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.)
1) A sample of the final exam scores in a precalculus class is as follows: 98 74 90 97 86 43 58 67 69 68 97 80 72 50 83 69 63 69 74 84 a) Use Table III in Appendix A to construct a normal probability plot of the given data. b) Use part (a) to identify any outliers. c) Use part (a) to assess the normality of the variable under consideration.
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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