Use the given frequency distribution to find the(a) class width.(b) class midpoint of the first class.(c) class boundaries of the first class.Weight (in pounds)Frequency, f135-1396.4.11145-149150-15415155-159(a) 4O A. (b) 137.5(c) 134.5-139.5(a) 5O B. (b) 137(c) 134.5-139.5(a)r4O C. (bj 137.5(c) 135-139(a) 5O D. (b) 137(c) 135-139Copyright © 2021 Pearson Education Inc. All rights reserved. Terms of Lre to searchF8&#3$42S

We want to find the class width, midpoint of the first class and class boundaries

Answered: Use the given frequency distribution to…

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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| A professor records the following final grades in one course. Construct a frequency table for the grades. в в в с се D D D F A С A с A А с в с в с B с В D в D ... Complete the table. (Type an integer or decimal rounded to the nearest tenth as needed.) Grade Frequency Relative frequency Cumulative frequency A %
Given the following frequency table, calculate the mean of X. (Please round your answer to 2 decimal places, ex: 3.12) +-----------------------------------+ | X: 16 17 18 19 20 | |-----------------------------------| | f(X): 2 5 4 3 1 | +-----------------------------------+
Find the mode for the data items in the given frequency distribution. Score, x 2 3 Frequency, f 6 2 1 4 4 4 LO 5 6 3 7 5 8 1 Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The mode(s) is/are . (Use a comma to separate answers as needed.) O B. There is no mode.
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(b) Determine and interpret the interquartile range. The interquartile range is ______ crimes per 100,000 population.
Here is a data set: Data range 210-229 230-249 250-269 270-289 290-309 214 217 219 223 228 238 241 245 247 253 253 254 X Construct a frequency distribution table for this data set. • Number of classes: 10 • Use a "nice" class width, such as a multiple of 5 or 10. • Label classes using interval notation. • For example, if the class is 70-79, label it as [70,79]. The lower class limit should be a multiple of the class width. • • For example, if the class width is 10, the lower class limit should be a number like 30 or 40 (depending on the data). X 5 263 265 286 291 X 4 50 11 250 X 2 256 X 8 10% Frequency 28 266 269 287 290 291 303 305 307 56 259 262 X
Use the given frequency distribution to find the (a) class width. (b) class midpoints. (c) class boundaries. (a) What is the class width? (Type an integer or a decimal.) Temperature (°F) 32-35 36-39 40-43 44-47 48-51 52-55 56-59 Frequency 3 5 11 7 7 D
Here is a data set: 203 231 233 238 257 263 275 285 285 286 302 311 313 314 319 323 326 328 336 339 362 364 366 378 390 390 422 447 Construct a frequency distribution table for this data set. Number of classes: 10 Use a "nice" class width, such as a multiple of 5 or 10. Label classes using interval notation. For example, if the class is 70-79, label it as [70,79]. The lower class limit should be a multiple of the class width. For example, if the class width is 10, the lower class limit should be a number like 30 or 40 (depending on the data). Data range Frequency

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