Answered: Age (yr) of Best Ac- tress When Oscar…

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Age (yr) of Best Ac- tress When Oscar Was Won 20-29 30-39 40-49 50-59 60-69 70-79 80-89 Frequency 31 34 15 3 6 1 1

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 recent Gallup Survey of a sample of 1000 people asked each how they viewed the ethical standards and honesty of members of Congress. The following frequency table was produced: Opinion Rel. Freq(%) Very High 3% High 6% Average 27% Low 39% Very Low 25% Create simple Bar Graph for this frequency table.
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Suppose that a polling company surveyed 600 people about how much time they spend watching television each day. The results of this survey were compiled and used to create this relative frequency histogram. Assume that all percentages shown in the histogram are whole numbers. Each of the bars in this histogram includes only the left endpoint of the class except for the last bar, which also includes the right endpoint. What percentage of respondents said that they watch television at least six hours per day? How many respondents said that they watch television between three and five hours per day?
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Among fatal plane crashes that occurred during the past 70 years, 684 were due to pilot error, 97 were due to other human error, 679 were due to weather, 240 were due to mechanical problems, and 218 were due to sabotage. Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it? Complete the relative frequency distribution below. Cause Relative Frequency Pilot error % Other human error % Weather % Mechanical problems % Sabotage % (Round to one decimal place as needed.)
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