Example 6.2Find the range for the following frequency distribution:Frequency730Size of Item20-4040-6060-8080-100100-120Total317570

Answered: Image /qna-images/answer/de3a5286-264f-44ee-8133-bd083aa6459b.jpg

Answered: Example 6.2 Find the range for 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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Back up your data: In a survey backed up their computer's hard drive. The following frequency distribution presents the results. mmissioned by an electronics company, U.S. computer users wereasked how often they Response More than once per month Frequency 844 Once every 1-3 months 521 Once every 4-6 months 229 Once every 7-11 months Once per year or less Never
Determine the class intervals and create frequency distribution for each of the frequency tables. First Table (Price) Price Frequency $20 3 $35 5 $40 14 $60 16 Other 2 Second Table (Age) Age 18-24 25-34 35-44 45-54 55-64 65+ Frequency 12 2 9 12 5 0
14 11 15 9 17 12 15 8 12 10 18 14 12 10 8 10 8 15 11 5 Use the Credit Hour data to complete the following frequency table using 5 classes. Class width . Use a class width of 3 to build the classes and then fill in the rest of the frequency table. I filled in some of the first line to help you get started. Credit Hours (Classes) Frequency Class Midpoint Relative Frequency 5 – 7 1 6 – – – –
Example 2 Draw a frequency polygon for the following frequency distribution. C. I.: 10-20 20-30 30-40 40-60 Frequency: 6. 8.
7. STATISTICS A class of 32 students participated in running a 400 m race in preparation for their sports day. The time, in seconds, taken by each student is recorded below. 83 34 36 @ (b) 58 82 85 82 81 80 34 82 32 72 98 73 50-54 55-59 60-64 65-69 70-74 75-79 80-84 61 78 71. Copy and complete the frequency table to represent this data. Time in seconds Frequency 3 4 6 Using the raw scores, determine the range for the data. 77887 100
A randomly selelected group of individuals were asked how many marbles they believed were contained in a sealed jar. The following frequency distribution summarizes the results. Complete the table by determining the midpoints, relative frequencies, and cumulative frequencies. You may answer using decimals to three places when necessary Marbles Frequency Midpoints Relative Frequency Cumulative Frequency 180 - 194 12 195 - 209 4 210 - 224 10 225 - 239 3 240 - 254 9 What is the class width of this frequency distribution?
QUESTION: Given the following frequency table, calculate the mean of X. (Please round your answer to 2 decimal places, ex: 3.12) +------------------------------+ | X: 7 9 10 11 | |------------------------------| | f(X): 4 3 4 4 | +------------------------------+
2.) Explain why the relative frequency column of a frequency table might not sum to 1.0.
MY NOTES ASK YO Suppose that the following relative frequency table represents hurricanes that have made direct hits on land. Hurricanes are given a strength category rating based on the maximum wind speed generated by the storm. Frequency of Hurricane Direct Hits Category Number of Direct Hits Relative Frequency Cumulative Frequency 1 105 0.3723 87 0.3085 0.6809 3 66 0.2340 4 19 0.9823 0.0177 1.0000 Total = 282 What is the relative frequency of direct hits that were AT MOST a category 3 storm? (Round your answer to four decimal places.) 0.2340
Calculate the class width of this data and construct a frequency distribution for this data set using six classes. Enter the lower and upper class limits of each range in the respective boxes and then fill in the corresponding frequency. 45 66 38 69 62 24 53 36 71 68 31 37 41 46 43 18 63 60 27 26 Enter your class width: Class Range Frequency −- −- −- −- −- −-
Consider the following frequency table representing the distribution of hours students study for an exam in a week. Determine the class width of each class. Answer Hours Students Study for an Exam in a Week Class 20-28 29-37 38-46 47-55 56-64 Frequency 14 2 12 3 11
di ea # 3m A community college is planning to expand its library. Forty students were asked how many times they visited the library during the previous semester. Their responses are given below. Construct a frequency distribution, letting each class have a width of 1. Number of Visits Number of Students 0 2 0 2 34 5 6 0 2 3 5 5 7 8 1 2 3 5 5 7 8 1 2 3 5 5 8 9 345 5 8 8. 6. Check Answer Help Me Solve This View an Example Get More Help- Media - er IID 2$ 8. # 5 9. 7. 4. d n f y alt

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Example 6.2 Find the range for the following frequency distribution: Frequency 7 11 30 Size of Item 20-40 40-60 60-80 80-100 100-120 Total 17 5 70