machine produces the following number of rejects in each successive period of five minutes: 16 21 26 24 11 24 17 25 26 13 27 24 26 3 27 23 24 15 22 22 12 22 29 21 18 22 28 25 7 17 22 28 19 23 23 22 3 19 13 31 23 28 24 9 20 33 30 23 20 8 Required Construct a cumulative frequency distribution from these data, using seven class intervals of equal with.

machine produces the following number of rejects in each successive period of five minutes: 16 21 26 24 11 24 17 25 26 13 27 24 26 3 27 23 24 15 22 22 12 22 29 21 18 22 28 25 7 17 22 28 19 23 23 22 3 19 13 31 23 28 24 9 20 33 30 23 20 8 Required Construct a cumulative frequency distribution from these data, using seven class intervals of equal with.

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 grocery chain of stores carries four brands A, B, C, D of a certain type of cereal. The chain recorded the brand of the cereal sold and the age of the buyer, where the buyers were divided into three age categories: younger than 20, 20-40, older than 40. The frequency distribution during 1 week follows: A В C D Total 40 62/ 58 52 48 220 Total 240 200 200 160 800 Let H, be the hypothesis that the cereal choice is independent of age. (a) Find the x value. (b) Find the degrees of freedom (df). (c) Test Ho at a= 0.10 significance level.
The amount of time (seconds) needed for assembly-line workers to complete welding was recorded for 38 workers. 10. 74 68 66 73 76 63 67 69 73 65 61 73 72 65 69 70 61 74 76 72 74 65 63 69 73 60 75 72 75 70 60 62 68 74 71 73 68 67 a) Construct a frequency distribution for these data using six classes.
• B. Develop the frequency histogram and the frequency distribution of the data and determine:Use Intervals: 19 - <22; 22 - <25; 25 - <28; 28 - <31; 31 - <34; 34 - <37; 37 - 40 23 33 40 38 25 35 35 21 38 25 30 35 37 30 36 37 34 30 33 38 33 21 28 30 39 28 23 35 35 28 36 23 35 24 34 24 40 31 33 27 33 24 31 20 35 20 36 20 36 21 35 30 36 28 33 32 40 35 39 33 1. The arithmetic mean speed 2. The standard deviation 3. The median speed 4. The pace 5. The mode or modal speed 6. The 85th-percentile speed 7. The 15th-Percentile speed
ASAP!! please in one hour
Please answer all the questions.
Suppose that 50 students are enrolled in a statistics class and the following are the test scores received by them: 4+2+4 29 41 32 45 83 58 73 47 40 26 59 43 66 44 41 25 39 72 37 55 34 47 66 53 55 58 49 45 61 41 55 82 83 77 45 62 45 36 78 48 54 50 51 66 80 73 57 61 56 50 (i) Construct the frequency distribution table, calculate the relative frequency & percentage (ii) Construct the ogive for the above data. (iii) Find the mode for the above data.
The data below shows time taken (in minutes) for 50 students to travel to their school from home.Time (minutes)23 16 16 17 1218 17 32 11 2711 16 22 18 2021 15 21 17 3432 14 18 21 2922 12 30 27 1627 20 21 14 2817 17 17 20 2613 20 27 26 1718 21 21 36 291. Construct frequency distribution table for the above data by:a) Determine the appropriate number of classes using Sturges formula.b) Determine each class width.c) Determine appropriate class limits and class boundaries.d) Construct frequency distribution table.
The presscott national bank has six tellers available to serve customers
Listed below are sorted duration times (seconds) of eruptions of the Old Faithful geyser in Yellowstone National Park. Use these times to construct a table with frequency and cumulative distributions, as well as relative and cumulative relative distributions. Use a class width of 25 seconds and begin with a lower-class limit of 125 seconds. 125 203 205 221 225 229 233 233 235 236 236 237 238 238 239 240 240 240 240 241 241 242 242 242 243 243 244 245 245 245 245 246 246 248 248 248 249 249 250 251 252 253 253 255 255 256 257 258 262 264 Time (Seconds) Frequency Cumulative Frequency Relative Freq (%) Relative Cumulative (%) 1. What can you conclude from the table above? 2. Is Old Faithful, still consistent (faithful)? 3. Draw the frequency distribution for the data. 4. What type of distribution do you see?
ht У Paragraph Styles 9. The following data give the total number of iPodsⓇ sold by a mail order company on each of 30 days. Construct a frequency distribution table and draw a histogram. 8 25 11 15 22 13 26. 16 23 14 19 23 222 29 22 18 12 20 16 292 10 5 17 21 26 20 16 27 16 21 14 Note: For this problem, use five classes. tions: On Accessibility: Good to go DELL DELL > Voice E Focus 》