Q1: The following frequency distribution represents the amount of sugar in ng/l for a sample of bottled drinks:Class LimitsFrequency3.07.0Determine these below:8.0 12.013.0 17.0Sample size. Class width.Cumulative frequency for the thirdclass.18.0 22.023.0 27.028.0 32.028148Second class midpoint. Lower class boundary for the fourth class..Cumulative relative frequency for the second class.

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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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Data shown in the following table represent the compressive strength of concrete cylinder samples in MPa. Construct a grouped frequency distribution for the data. Also, find the Mean for the data using the constructed grouped frequency distribution table. Data: 21, 35, 32, 10, 15, 8 13, 20, 30, 32, 13, 25 35, 28, 12, 16, 27, 30 33, 33, 21, 24, 9, 8 18, 17, 30, 32, 17, 13
The following table represents persons with secondary education (%) and persons with tertiary education (%) (two data sets) in all municipalities in Trinidad and Tobago as obtained from the 2011 Population and Housing Census. Code Municipality 10 11 12 13 14 15 20 30 40 50 60 70 80 90 98 City of Port of Spain Mayaro/ Rio Claro Sangre Grande Princes Town Penal/ Debe Siparia City of San Fernando Borough of Arima Borough of Chaguanas Borough of Point Fortin Diego Martin San Juan/ Laventille Tunapuna/ Piarco Couva/ Tabaquite/ Talparo Tobago Persons with secondary education (%) 70.10 50.27 55.86 58.60 62.00 61.19 69.63 68.57 65.48 64.10 69.50 63.45 65.61 60.51 58.31 Persons with tertiary education (%) 17.53 8.39 10.79 11.67 14.97 11.90 22.18 21.48 18.88 17.85 20.80 14.17 19.61 13.78 14.04
The data represents the body mass index (BMI) values for 20 females. Construct a frequency distribution beginning with a lower class limit of 15.0 and use a class width of 6.0. 17.7 33.5 26.7 25.6 25.4 28.2 23.4 18.3 28.7 22.7 19.2 21.9 25.6 37.7 32.4 29.7 44.9 30.9 29.5 25.3 Body Mass Index Frequency 15.0-20.9 nothing 21.0-26.9 nothing 27.0-32.9 nothing Body Mass Index Frequency 33.0-38.9 nothing 39.0-44.9 nothing
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Construct a frequency distribution and a frequency histogram for the data set using the indicated number of classes. Describe any patterns. Construct a frequency distribution of the data. Use the minimurn data entry as the lower limit of the first class. Number of classes: 8 Class Frequency Data set: Reaction times (in milliseconds) of 30 adult females to an auditory stimulus 2 00 3. 0 4.-0 428 292 384 336 514 423 385 427 370 313 440 389 352 472 385 412 442 428 5. 300 453 307 310 326 411 6. 385 318 357 509 416 7.0 8. N 450 7. - Construct a frequency histogram of the data.
Consider the following incomplete grouped frequency distribution. Classes Frequency Cumulative frequency 24 (Rand) 8.00 < 12.00 12.00 < 16.00 16.00 < 20.00 20.00 < 24.00 24 O A. R 22.00 O B. R 10.00 O C. R 18.00 O D. R 14.00 X 46 18 Y 102 120 TOTALS 120 The midpoint m of the third class is:
Identify the lower class limits, upper class limits, class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary. Age (yr) when award was won Frequency 5-14 28 15-24 35 25-34 13 35-44 3 45-54 6 55-64 1 65-74 1
Complete the Frequency Distribution Table Then find : 1.Mediator 2. Tenth percentile 3. The seventh tithe Repetition Category Center Categories Real boundaries of classes 1 35.5 45.4 55.5 15 65.5 25 75.5 20 85.5 12 95.5
Refer to the accompanying data set and use the 30 screw lengths to construct a frequency Begin with a lower classlimit of 3.720 in., and use a class width of 0.010 in. The screws were labeled as having a length of 3 3 / 4 in. 1 Click on icon to view the data. Complete the frequency distribution below. Length (in.) Frequency 3.720 − − − − − (Type integers or decimals rounded to the nearest thousandth as needed.) 1: Data Table Screw Lengths (inches) 3.765 3.757 3.741 3.755 3.736 3.746 3.756 3.722 3.755 3.758 3.754 3.744 3.743 3.735 3.753 3.755 3.737 3.736 3.741 3.742 3.742 3.766 3.753 3.759 3.748 3.736 3.758 3.751 3.752 3.748
Use the Histogram tool to develop a frequency distribution and histogram for the number of months as a customer of the bank in the data below. Compute the relative and cumulative relative frequencies and use a line chart to construct an ogive. Complete the frequency distribution for the months as a customer, and compute the relative and cumulative relative frequencies. (Type integers or decimals rounded to three decimal places as needed.) Bins Frequency Relative Frequency Cumulative Relative Frequency 10 enter your response here enter your response here enter your response here 20 enter your response here enter your response here enter your response here 30 enter your response here enter your response here enter your response here 40 enter your response here enter your response here enter your response here 50 enter your response here enter your response here enter your…
Identify the lower class limits, upper class limits, class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary. Age (yr) when award was won 15-19 20-24 25-29 30-34 35-39 40-44 45-49 ... Identify the lower class limits. 0.0.0.0.0.0.0 (Type integers or decimals. Do not round. Use ascending order.) Frequency 30 36 16 3 5 1 1
The data represents the body mass index (BMI) values 17.7 33.5 26.4 22.6 23.9 0 for 20 females. Construct a frequency distribution beginning with a lower class limit of 15.0 and use a class width of 6.0. 28.6 25.2 18.3 29.2 23.9 19.2 24.5 24.2 37.7 40.3 27.8 44.9 32.8 28.6 23.8 Body Mass Index Frequency Body Mass Index Frequency 33.0-38.9 15.0-20.9 39.0-44.9 21.0-26.9 27.0-32.9

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