The histogram below shows the magnitude of 500 earthquakes occurring near a location inSouthern California. The numbers on top of each bar represent the heights. You may assumethat the values are spread uniformly across each interval. What is the first quartile (or the 25percentile) of the values?% per unit on Richter scale8070O6050403020100TTTT020(60)between 1 and 1.5 RichterO between 2 and 3 RichterIf you cannot see the plot, click here.between 0.5 and 1 Richterbetween 0 and 0.5 Richter1between 1.5 and 2 Richter(72)(24)2(8)Earthquake magnitudes (Richter scale)3(4)4

The histogram helps in understanding the distribution of the data.

Answered: The histogram below shows the magnitude…

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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The amount of time a service technician needs to change the oil in a car is uniformly distributed between 11 and 21 minutes. Let X = the time needed to change the oil on a car. c. Find the 50th percentile. Round to the nearest minute.
In a student survey, fifty-two part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 0.3269 17 2 19 0.3654 36 3 16 What percent of students take exactly one courses? %
Arm circumferences of 122 outpatients at a clinic in Santa Cruz are measured in centimeters. The resulting data are ... O Numerical and continuous. O Numerical and discrete. O Categorical and ordinal. O Categorical and nominal.
In a student survey, forty-one part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 2 3 10 15 0.3659 Search 0.3902 What percent of students take exactly two courses? Frequency Tables Question Help: Written Example Message instructor Submit Question Jump to Answer 25 41 1% B. M W
210 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 0.2286 48 1 40 0.1905 88 2 34 122 3 54 0.2571 176 4 34 0.1619 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly four siblings? %
The following histogram shows the exam scores for the pre algebra class. Use this histogram to answer the questions. Find the class width for this histogram.
Find the following for the data shown: 1 5 14 17 30 31 39 44 49 55 74 86 94 100 What is the percentile of the data value 44? Round to the nearest whole number. Which data value represents the 20th percentile?
Solve the problem.The diameter of ball bearings produced in a manufacturing process can be explained using a uniform distribution over the interval 6.5 to 8.5 millimeters. What is the mean diameter produced in this manufacturing process? Select one: A. 8.0 millimeters B. 7.5 millimeters C. 8.5 millimeters D. 7.0 millimeters
The data set below represents the ages of 36 executives. Find the percentile that corresponds to an age of 53 years old. 28 28 29 30 36 40 40 42 42 43 45 46 46 48 48 50 50 50 53 53 53 55 55 57 57 59 62 62 62 63 63 65 65 65 66 66 Percentile of 53=___________. ( round to the nearest integer as needed)
The population of Ada County, Idaho has been steadily increasing for more than 20 years. The table below shows the population (people) from 2015 through 2019 in Ada County. year 2015 2016 2017 2018 2019 population 432,862 444,486 456,548 468,764 481,587 a. What is the average rate of change in the population of Ada County from 2015 to 2018? Round to the nearest whole person and include units. b. What is the average rate of change in the population of Ada County from 2016 to 2018? Round to the nearest whole person and include units. c. What is the average rate of change in the population of Ada County from 2017 to 2018? Round to the nearest whole person and include units. d. What is the average rate of change in the population of Ada County from 2018 to 2019? Round to the nearest whole person and include units. e. Give a good approximation for the rate at which the population of Ada County is growing by the end of 2018? Round to the nearest whole person and include units.
240 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 52 0.2167 1 0.2083 102 2 38 0.1583 140 3 51 0.2125 191 4 49 240 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly two siblings? %
please answer number 2 only

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