Question 15The retirement ages of a group of 80 people is summarised in the following table.Age (t years)Frequency f48 Question 20The temperatures of component A and component B in a heat exchanger vary in a linear fashionas shown in the graph below, where y is the temperature in °C, after x minutes.72(b)-20-1024(a) Determine a rule for the temperature of component A in terms of x.Showing full working, determine when both components are at the same temperature, andstate what this temperature is.

Answered: Question 15 The retirement ages of a…

Question 15 The retirement ages of a group of 80 people is summarised in the following table. Frequency f Age (t years) 48

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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33 33 | 19 49 33 34 46 34 39 31 55 30 34 27 35 | 29 31 |32 24 36 29 57 50 39 45 53 44 50 45 36 23 42 50 36 38 40 26 43 | 35 29 | 22 36 34 53 30 26 26 | 22 30 31 a. Organize the user's ages in a frequency table of six classes with sSuitable class width (class interval). (You have to construct a table with classes, frequency, cumulative frequency, relative frequency, and percent relative frequency). b. Represent the users ages by suitable graphs (minimum 2 graphs).
Suppose that 60 students are enrolled in a statistics class and the following are the test scores received by them:12 11 12 95 82 10 93 11 10 18 76 1010 92 70 12 18 10 11 12 11 13 12 7811 78 84 99 14 11 10 13 12 90 11 8290 10 81 13 75 84 16 15 18 17 15 1492 85 93 10 90 99 11 10 80 82 13 12 (a) Construct a frequency distribution taking a suitable class interval.(b) Present the data graphically and comment.(c) Calculate the mean and modal scores and comment
What was the length of time on hold when you called your auto-insurance company? The responses from a survey of 35 people are listed below (in minutes). 2 11 30 35 15 20 18 7 14 24 25 21 5 8 19 18 22 12 12 15 16 21 27 31 12 8 4 14 19 20 34 16 12 7 10 Make a frequency table with FIVE CLASSES and a histogram to answer question 5 to 8. Which of the following statements are TRUE about the class limits and class width? Select all that apply. Group of answer choices A. The class width is 7. B. The five class limits are: 2-9 9-16 16-23 23-30 30-37 C The class width is 6.6 D. The five class limits are: 2-8 9-15 16-22 23-29 30-36 E. The five class limits are: 2-9 10-17 18-25 26-33 34-41
Is there a relation between murder and arson? A random sample of 15 Midwest cities (over 10,000 population) gave the following information about an annual number of murder and arson cases. (Reference: Federal Bureau of Investigation, U.S. Department of Justice.) City 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Murder 13 11 24 15 14 10 19 20 22 16 18 6 21 8 17 Arson 96 47 92 72 38 36 162 80 111 85 84 37 146 4 51 Use a 1% level of significance to test the claim that there is a monotone-increasing relationship between the ranks of murder and arson. (a) Rank-order murder using 1 as the largest data value. Also, rank-order arson using 1 as the largest data value. Then construct a table of ranks to be used for a Spearman rank correlation test. City MurderRank x ArsonRank y d = x - y d2 123456789101112131415 Σd2 = please show formula or steps explain your answer
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Suppose you compile all possible samples of 25 children of preschool age in your school district. If you calculate the mean of each sample (M) and create a frequency distribution of these means, this distribution is referred to as the