Answered: Find the class width from the frequency…

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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Given frequency distribution depicts the scores on a math test. Scores Number of students 60--69 5 70--79 9 80--89 25 90--99 7 Find the class midpoints for class 80--89 Find the class width
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
The data represent the time, in minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? Complete the table, starting with the lowest class limit. (Simplify your answers.) Class Frequency Midpoint 11 19 13 12 Relative Frequency 1966 011 13 15 10 8 10 10 16 Cumulative Frequency 6729 U
Che
Class: Frequency: Calculate the median of the following frequency distribution: 30-40 40-50 10 16 20-30 6 50-60 18 60-70 12 70-80 10 80-90 8
Use the given frequency distribution to find the (a) class width. (b) class midpoints. (c) class boundaries. Temperature (°F) 50-52 Frequency 53-55 3 56-58 59-61 11 62-64 65-67 68-70 (a) What is the class width? (Type an integer or a decimal.) (b) What are the class midpoints? Complete the table below. (Type integers or decimals.) Temperature (°F) Frequency Midpoint 50-52 53-55 56-58 59-61 11 62-64 7 65-67 Enter your answer in each of the answer boxes. 7:35 PM 22% 1/4/2021 P Type here to search o 耳 PrtSc Delete Ins F11 F12 F9 F10 F7 F8 F5 F6 Esc Backspace 771
Complete the frequency distribution table and then find the coefficient of variation Categories (10-9) Repetition ( 25 -9) 253 275
QI For the next frequency table, The Median (M) is: * Class limits 11 - 17 18 - 24 25 - 31 32 - 38 39 - 45 frequency 2 4 1
Using 6 classes of width 50 starting at 100, construct a frequency distribution for the following numbers. 205 251 379 287 269 243 321 131 237 253 393 359 377 365 Class Frequency 100– – – – – –
width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary. award was won Frequency 5-9 28 10-14 34 15-19 12 20-24 25-29 6. 30-34 This cou Terms of Identify the class boundaries. 0000 (Type integers or decimals. Do not round. Use ascending order.) Vi More Clear all Fi Get more help - 9 Ecc 35°F Clear
Using the frequency distribution below, find the (a) class width (b) boundary of first class. Class Frequency 50-52 53-55 8. 56-58 12 59-61 13 62-64 11 O a. 2, 49.5-52.5 O b. 2, 50-52 O c. 3, 50-52 O d. 3, 49.5-52.5

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Find the class width from the frequency distribution. Temperature Frequency 45-49 1 50-54 3 55-59 5 60-64 11 65-69 7 70-74 7 75-79 1