The distribution of the number of hours that a random sample of people spend doing chores per week is shown in the pie chart. Use 32 as the midpoint for "30+hours." Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set.W Click the icon to view the pie chart.First construct the frequency distribution.Weekly study hoursClassFrequency, f0-4I 0-4 hours (4 people)5-91 5-9 hours (12 people)O 10-14 hours (23 people)O 15-19 hours (21 people)O 20-24 hours (16 people)O 25-29 hours (14 people)O 30+ hours (5 people)10-1415-1920-2425-2930+PrintDoneOOOOD OD

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Answered: The distribution of the number of hours…

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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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 4 49 23 18 41 14 38 47 5 0 Relative Frequency 33 45 5 15 7 43 39 5 24 34 Cumulative Frequency
Use the frequency distribution to create a histogram with single class values (a bar for 1, a bar for 2, etc.) that displays the data. Number of times fast food ordered number of students (frequency) 1 9 2 8 3 2 4 5 5 6 Total 30
Find the mean, mode, and median
The number of hospital beds in a sample of 20 hospitals is shown below. Construct a frequency distribution and a frequency histogram for the data set using 5 classes. Describe the shape of the histogram as symmetric, uniform, negatively skewed, positively skewed, or none of these. 166 159 132 125 185 163 165 216 145 135 D 199 210 152 250 262 241 285 139 205 179 Construct a frequency distribution for the data set using 5 classes. (Type whole numbers.) Class Frequency 125-157 158–190 191-223 224-256 257-289 Construct a frequency histogram for the data set using the frequency distribution. Choose the correct answer below. O A. OB. О с. OD. Hospital Beds Hospital Beds Hospital Beds Hospital Beds 8- 8- * 6- - 2- E 2+ 0+ 108 174 240 306 0+ 108 174 240 306 0+ 108 174 240 306 0+ 108 174 240 306 Numhar of harde Numhar of hade Numher nf hede Numher of hede Aou anbai Frequency Frequency
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? ... Class 38 0 25 16 32 39 13 38 24 30 15 15 7 21 27 10 34 0 Complete the table, starting with the lowest class limit. (Simplify your answers.) 19 23 Relative Cumulative Frequency Frequency Midpoint Frequency
A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 5, 13, 16, 4, and 3 o respectively. Using percentages, what are the relative frequencies of the five classes? Complete the table. Grade Frequency Relative frequency. A % 13 % 16 4. F. (Round to two decimal places as needed.) BCD
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 10-9 Frequency 1 O Midpoint 5 45 49 33 37 Relative Frequency 1 33 14 44 27 39 34 33 12 2024 47 46 D 38 48 38 Cumulative Frequency
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 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? 20 22 29 2 3 19 19 4 10 20 29 13 25 17 28 22 4 13 0 9
can i get help finding the median?
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? 15 14 4 7 19 1 16 1 12 17 17 18 14 10 10 Complete the table, starting with the lowest class limit. (Simplify your answers.) Relative Frequency Cumulative Frequency Class Frequency Midpoint Which class has the greatest frequency? The class with the greatest frequency is from to. Which class has the least frequency? The class with the least frequency is from to
The accompanying data represent the wait time (in minutes) for a random sample of 40 visitors to a popular attraction in a large amusement park. Use the sample data to complete parts (a) through (d). Click the icon to view the data for wait times. (a) Construct a relative frequency histogram of the data. Comment on the shape of the distribution. Choose the correct graph below. O A. ARelative Freq. 0.6- 0+ 60 Wait Time (min.) What is the shape of the distribution? O O E A. Q 60 B. No A. Yes, there is(are) B. A Relative Freq. 0.6 outlier(s). 07 0 60 Wait Time (min.) O A. The distribution is bell-shaped and roughly symmetric about its peak between 25 and 30 minutes. B. The distribution is right-skewed because the peak is between 0 and 5 minutes and the right tail is much longer than the left tail. C. The distribution is left-skewed because the peak is between 55 and 60 minutes and the left tail is much longer than the right tail. D. The distribution is right-skewed because the peak is…

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