Consider the grouped frequency distribution below, in which the speed(in km/hr) of 40 cars are presented.Freq, f Midpoint,fm2Cum. FreqClassfm(km/hr)80 < 100 4100 < 120 9120 < 140 13140 < 160 9160 < 180 590360324004110P108900 131301690Q26202500 s144500 40Σfm2R135017085040Σfm------If the speed limit is 120 km/hr, approximately what percentage of cars is above the limit?O A. 54%О В. 80%OC 71%O D. 67%

Given that Total number of car=40 The speed limit of car is 120km/h Find the percentage of car…

Answered: Consider the grouped 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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435 507 448 435 463 440 448 413 432 458 473 465 428 472 439 a. Summarize the data on femur lengths in a frequency table. Use class intervals that start at 400 and have width 20. b. Add a column to your table from part (a) for the relative frequencies. c. Draw a histogram that represents your frequency table. (Use either frequency or relative frequency for the vertical axis.)
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Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 140 149 1 150 159 16 160 169 71 170 179 108 180 - 189 83 190 - 199 18 200 - 209 3 What is the upper class limit for the fifth class? upper class limit =
Given the frequency table below, which of the following is the corresponding relative frequency table? |Value | Frequency 1 2 5 3 5 4 2 5 7
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Consider the grouped frequency distribution below, in which the speed (in km/hr) of 40 cars are presented. Freq, f Midpoint, Class fm fm2 Cum. Freq (km/hr) m 80 < 100 4 90 360 32400 4 100 < 120 9 120 < 140 13 140 < 160 9 160 < 180 5 110 108900 13 130 1690 Q 26 202500 s 144500 40 Σfm2 R 1350 170 850 40 Σfm --- --- The value of Efm² is: O A. 516000 B. 697000 O .708000 O D. 724000
A teacher asks their students whether they studied for a quiz, then scores the quiz. A relative frequency table displays some of the information they collected
Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 80 - 83 1 84 - 87 16 88 - 91 71 92 - 95 108 96 - 99 83 100 - 103 18 104 - 107 3 What is the upper class limit for the fifth class?upper class limit
Consider the grouped frequency distribution below, in which the speed (in km/hr) of 40 cars are presented. Class Freq, f Midpoint, fm fm? Cum. Freq (km/hr) 80 < 100 4 100 < 120 9 120 < 140 13 140 < 160 9 160 < 180 5 32400 4 108900 13 90 360 110 130 1690 Q 26 202500 s 144500 40 R 1350 170 850 40 Σfm Σfm2 The value of S is: O A. 27 О В. 35 О С.39 O D. 41

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