c-1. How many of the 13-year-olds sent at least 900 but less than 1000 text messages?Number of 13-year-oldsc-2. How many sent less than 800 text messages?Number of 13-year-oldsesd-1. What percent of the 13-year-olds sent at least 600 but less than 700 text messages? (Round your answer to the nearest wholepercent.)Percent of 13-year-oldsd-5. What percent of the 13-year-olds sent less than 800 text messages? (Round your answer to the nearest whole percent.)Percent of 13-year-olds The number of text messages sent by 25 13-year-olds over the past month are as follows:753615930875833936541622651824611792854912677681513881689690799670908729579E Click here for the Excel Data Filea. Construct the frequency distribution using classes of 500 up to 600, 600 up to 700, etc.TextsFrequency500 up to 600600 up to 700700 up to 800800 up900 up to 1000Totalesb. Construct the relative frequency distribution, the cumulative frequency distribution and the cumulative relative frequencydistribution. (Round "Relative Frequency" and "Cumulative Relative Frequency" to 2 decimal places.)CumulativeRelativeFrequencyTextsRelativeCumulativeFrequencyFrequency500 up to 600600 up to 700700 up to 800800 up to 900900 up to 1000

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The number of text messages sent by 25 13-year-olds over the past month are as follows: 753 615 875 541 912 622 677 651 824 611 792 690 854 930 670 833 936 681 513 881 689 799 908 729 579 Click here for the Excel Data File a. Construct the frequency distribution using classes of 500 up to 600, 600 up to 700, etc. Texts Frequency 500 up to 600 600 up to 700 700 up to 800 800 up to 900 900 up to 1000 Total b. Construct the relative frequency distribution, the cumulative frequency distribution and the cumulative relative frequency distribution. (Round "Relative Frequency" and "Cumulative Relative Frequency" to 2 decimal places.) Cumulative Relative Frequency Texts Relative Cumulative Frequency Frequency 500 up to 600 600 up to 700 700 up to 800 800 up to 900

The number of text messages sent by 25 13-year-olds over the past month are as follows: 753 615 875 541 912 622 677 651 824 611 792 690 854 930 670 833 936 681 513 881 689 799 908 729 579 Click here for the Excel Data File a. Construct the frequency distribution using classes of 500 up to 600, 600 up to 700, etc. Texts Frequency 500 up to 600 600 up to 700 700 up to 800 800 up to 900 900 up to 1000 Total b. Construct the relative frequency distribution, the cumulative frequency distribution and the cumulative relative frequency distribution. (Round "Relative Frequency" and "Cumulative Relative Frequency" to 2 decimal places.) Cumulative Relative Frequency Texts Relative Cumulative Frequency Frequency 500 up to 600 600 up to 700 700 up to 800 800 up to 900

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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Over the past several decades, the United Nations has kept records of the number of births worldwide, categorized by the age of the mother. A frequency table displaying this data for the years 1960 to 1970 is shown. Consider the class consisting of mothers between the ages of 40 and 45 years, who gave birth to an estimated 52,335,000 children worldwide between 1960 and 1970. Age of mother,in years Estimated number of occurrences,in thousands 15 – 20 125,075 20 – 25 312,055 25 – 30 300,458 30 – 35 217,581 35 – 40 131,236 40 – 45 52,335 45 – 50 10,577 Over the past several decades, the United Nations has kept records of the number of births worldwide, categorized by the age of the mother. A frequency table displaying this data for the years 1960 to 1970 is shown. Consider the class consisting of mothers between the ages of 40 and 45 years, who gave birth to an estimated 52,335,000 children worldwide between 1960 and 1970. What is the lower limit of this class?…
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