What are the relative frequencies (b) Complete the columns of the chart. (Enter exact numbers as integers,# of moviesFrequency01234410821Relative Frequency Cumulative Relative Frequency

It is given that The Twenty-five randomly selected students were asked the number of movies they…

Answered: (b) Complete the columns of the chart.…

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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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 160 - 174 1 175 - 189 16 190 - 204 71 205 - 219 108 220 - 234 83 235 - 249 18 250 - 264 3 What is the class midpoint for the second class?class midpoint =
Twenty five right-handed students were asked to turn a knob (using their right hands) that moved an indicator by screw action. There were two identical instruments, one with a right-hand thread (the knob turns clockwise) and the other with a left-hand thread (the knob turns counterclockwise). The data presented below gives the times (in seconds) each subject took to move the indicator a fixed distance: Obs.# R Obs.# R L L Obs.# R 1 113 8 116 166 22 100 2 105 105 9 75 146 23 89 3 130 133 10 96 123 24 85 4 101 108 11 122 135 25 88 5 138 115 12 103 6 118 170 13 116 7 87 103 14 107 At 1% level of significance, can we conclude that these right-handed students found it easier to use the knobs with a right-hand thread? Use the following form of the difference: right-left. 1. Test Stat: L 137 2. Critical Region: a. T> 2.492 b. Tabs (2.492) c. T> abs (-2.492) d. T < -2.492 Obs.# R 15 118 16 103 17 111 18 104 19 111 147 20 89 87 21 78 145 78 107 84 148 112 93 76 L 116 78 101 123 3. Conclusion:…
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 160 - 169 1 170 - 179 16 180 - 189 71 190 - 199 108 200 - 209 83 210 - 219 18 220 - 229 3 What is the class midpoint for the sixth class?class midpoint =
Complete the table below. High Temperatures (°F) (Round to the nearest hundredth as needed.) Cumulative frequency Relative frequency Class Frequency, f Midpoint 18-28 18 23 0.05 18 29-39 43
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.)
The weights (to the nearest five pounds) of 30 randomly selected male college students are organized in the histogram. Use the graph to find the median weight. The median weight is pounds. (Type an integer or a decimal.) C Students (frequency) Number 10- 8+ 6- 4- Weight of 30 Male College Students 110 115 120 125 130 135 140 145 150 155 160 165 Weight (pounds) ON
The table shows the number of students on the track team who run the hurdles and in relays. No student runs in both. Hurdles Relays 7th graders 8 12 8th graders 15 15 Total 23 27 Total 20 30 50 What is the joint relative frequency to the nearest hundredth of boys who run relays?
6. Fill in the missing values in the following table of relative frequency, labelled A- J. Show how you calculate each value, and put your final answer for each value in the table below (e.g., replace "A" with your found value). The method you use can be different from mine, but you must show how you arrive at each value. Hint: go in order. Find A, then B, etc. Tutorial video 3 should be very helpful here. Class Frequency Relative frequency Cumulative relative frequency 1 to 5 300 0.15 0.15 6 to 10 B A 0.20 11 to 15 500 C D 16 to 20 F 0.45 E 21 to 25 H G 0.98 26 to 30 J I 1.00
The histogram to the right represents the weights (in pounds) of members of a certain high-school math team. What is the class width? What are the approximate lower and upper class limits of the first class? 105 115 125 135 145 155 165 175 Weight (bs) What is the class width? The class width is (Simplify your answer.) What are the approximate lower and upper class limits of the first class? The approximate lower class limit is The approximate upper class limit is (Simplify your answers.) Enter your answer in each of the answer boxes
Can someone please help? Thank you.
Finish times (to the nearest hour) for 10 dogsled teams are shown below. Make a frequency table showing class limits, class boundaries, midpoints, frequency, relative frequencies, and cumulative frequencies. Use three classes. (Round your answer for relative frequency to the nearest hundredth and for midpoint to the nearest tenth.) 308 262 310 268 299 249 257 286 239 278
Use the frequency histogram to complete the following parts. (a) Determine the number of classes. (b) Estimate the greatest and least frequencies. (c) Determine the class width. (d) Describe any patterns with the data. Frequency 300- 200- 100- 0- Employee Salaries T T T 32 37 42 47 52 57 62 Salary (in thousands of dollars)

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(b) Complete the columns of the chart. (Enter exact numbers as integers, fractions, # of movies Frequency 0 1 2 3 4 10 8 2 Relative Frequency Cumulative Relative Frequency