Consider the following frequency table representing the distribution of hours students spend on homework in a week.Hours StudentsSpend onHomework in aWeekAnswerClass10-1516-2122-2728-3334-39Frequency3Step 2 of 2: Determine the relative frequency for the third class as a simplified fraction.3939

Class Frequency10-150316-210322-270928-330334-3909We have to find out the relative frequency for…

Answered: Consider the following frequency table…

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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An automotive company measured the position of a test car during a 50 second time period during two trial test runs. Trial 1 Trial 2 Time (T) [sec] 20 Position (P) Position (P) [m] [m] 1439 984 25 1791 824 30 2059 1164 35 1564 1396 40 1930 1844 45 2569 2298 50 2308 1691 55 3241 2358 60 3238 2389 65 3952 2691 70 3635 2478 We are interested in obtaining the linear relationship between the time (T) and position (P). During Trial 1, analysis showed the automobile position followed the relationship P = 48.9*T + 320 You are expected to develop a similar relationship for Trial 2. You should consider time as the independent variable X, and position as the dependent variable Y. a) Calculate E X;. b) Calculate E Y;. c) Calculate EX;X¡. d) Calculate E Y,Y;. e) Calculate Σ Χ.,Y, f) Using the least squares approach, calculate the slope m and y-intercept b for the straight line which best fits the data for Trial 2. You may NOT use Excel. g) Calculate the coefficient of correlation, r, for the line…
Consider the following frequency table representing the distribution of hours students spend on homework in a week. Hours Students Spend on Homework in a Week Answer Class Frequency 12-20 3 21-29 13 30-38 12 39-47 12 48-56 3 Step 2 of 2: Determine the relative frequency for the fourth class as a simplified fraction.
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?
A data set is summarized in the frequency table below. The data set contains a total of 30 data values. What is the missing frequency? Value Frequency 1 5 2 3 3 4 4 6 5 □ 6 2 7 3 8 4
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
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 19 19 2 0.2885 3 18 0.3462 52 What percent of students take exactly two courses?_______ %
17. fill in whole chart
Using 6 classes of width 50 starting at 100, construct a frequency distribution for the following numbers. 253 203 213 271 379 291 111 359 385 367 365 201 295 339
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