Score: 0 of 1SaveConstruct one table that includes relative frequencies based on the frequency distributions shown below, then compare the amounts of tar in nonfiltered and filtered cigarettes. Do the cigarette filters appear to be effective? (Hint:The filters reduce the armount of tar ingested by the smoker.)E Click the icon to view the frequency distributions......Complete the relative frequency table below.RelativeRelativeFrequencyTar (mg) (Nonfiltered)Frequency(Filtered)%7- 1011-14- XFrequency Distributions15- 18%19-22%23 - 26Tar (mg) inNonfilteredCigarettes FrequencyTar (mg) inFilteredCigarettes Frequency7- 1011- 1415- 1819 - 2227 - 30%%(Simplify your answers.)31-3415- 1819- 2223 - 2627-301316761231- 34PrintDoneEnter your answer in the edit fields and then click Check AnswerHelp Me Solve ThisView an ExampleGet More Help -Clear AllCheck Answer60

The frequency corresponding to each class interval represents the number of scores that fall within…

Construct one table that includes relative frequencies based on the frequency distributions shown below, then compare the amounts of tar in nonfiltered and filtered cigarettes. Do the cigarette filters appear to be effective? (Hint: The filters reduce the armount of tar ingested by the smoker.) E Click the icon to view the frequency distributions. ..... Complete the relative frequency table below. Relative Frequency Tar (mg) (Nonfiltered) Relative Frequency (Filtered) % 7- 10 11-14 % - X Frequency Distributions 15-18 % 19-22 % 23- 26 % Tar (mg) in Nonfiltered Cigarettes Frequency 15-18 Tar (mg) in Filtered Cigarettes Frequency 7- 10 11-14 15- 18 19 - 22 27-30 % (Simplify your answers.) 31-34 19- 22 23 - 26 27-30 31 - 34 16 7 12 2

Construct one table that includes relative frequencies based on the frequency distributions shown below, then compare the amounts of tar in nonfiltered and filtered cigarettes. Do the cigarette filters appear to be effective? (Hint: The filters reduce the armount of tar ingested by the smoker.) E Click the icon to view the frequency distributions. ..... Complete the relative frequency table below. Relative Frequency Tar (mg) (Nonfiltered) Relative Frequency (Filtered) % 7- 10 11-14 % - X Frequency Distributions 15-18 % 19-22 % 23- 26 % Tar (mg) in Nonfiltered Cigarettes Frequency 15-18 Tar (mg) in Filtered Cigarettes Frequency 7- 10 11-14 15- 18 19 - 22 27-30 % (Simplify your answers.) 31-34 19- 22 23 - 26 27-30 31 - 34 16 7 12 2

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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Recall that a relative frequency histogram is used to graph quantitative data. Classes are chosen to divide the range of values into equal-length subintervals, then plotted along the horizontal axis. A bar is drawn for each class with height equal to the relative frequency for that class. To create a relative frequency histogram, first summarize the following data in a frequency table. 1 N 2 3 4 5 6 7 Class Class Boundaries 8 9 1.3 10 11 14.7 9.0 16.7 4.1 14.9 4.4 2.7 32.3 10.9 9.0 9.0 1.6 18.4 1.0 2.4 2.4 18.0 Since the measurements are all between the values 0 and 33, it will be convenient to choose 11 class intervals of length 3. Using the given data, tally the values within each class interval to determine the frequency of each class, and fill in the following table. 0 to <3 3.5 11.2 18.0 26.7 3.7 3 to 6 6 to 9 9 to 12 12 to < 15 15 to 18 18 to 21 21 to 24 24 to 27 0.2 6.1 13.5 27 to < 30 30 to 33 7.4 8.2 19.2 1 1 2 1 Frequency 10 5 1 4 1 X X 9.4 X 8.7 X 2.0 6.6 3.9 5.9 4.3 3.3 0.2…
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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
A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 2, 15, 18, 4, and 2 respectively. Using percentages, what are the relative frequencies of the five classes? Complete the table. Grade Frequency Relative frequency A 2 % B 15 % 18 D 4 % F 2 % (Round to two decimal places as needed.)
Construct one table that includes relative frequencies based on the frequency distributions shown below, then compare the amounts of tar in nonfiltered and filtered cigarettes. Do the cigarette filters appear to be effective? (Hint: The filters reduce the amount of tar ingested by the smoker.) E Click the icon to view the frequency distributions. Complete the relative frequency table below. Relative Frequency Tar (mg) (Nonfiltered) Relative Frequency (Filtered) Frequency distributions 2-5 6 -9 % 10 - 13 % % 14 - 17 Tar (mg) in Tar (mg) in Nonfiltered Filtered 18 - 21 % Cigarettes 10 - 13 14 - 17 Frequency Cigarettes Frequency 22 - 25 % % 1 2-5 3 26 - 29 % 1 6 - 9 18 - 21 14 10 - 13 (Simplify your answers.) 22 - 25 7 14 - 17 15 Do cigarette filters appear to be effective? 26 - 29 2 O A. Yes, because the relative frequency of the higher tar classes is greater for nonfiltered cigarettes. O B. No, because the relative frequency of the higher tar classes is greater for filtered cigarettes.…
3:34 İ. Construct a simple frequency distribution for grouped data; display your findings in a table (number of intervals should be 5) ii. Add a column to your table with the cumulative frequency (bottom up). iii. Add a column to your table with the relative frequency. iv. Add a column to your table with the relative percent. v. Add a column to your table with the cumulative percent. vi. Construct a histogram that distributes the intervals along the horizontal scale (x-axis) and list the frequency of scores in each interval on the vertical scale vii. Construct an Ogive for this data. Grade 95 94 65 77 69 45 54 88 75 39 15 56 63 93 84 70 63 52 79 81 87 69 99 48 65 83 44 5G 91 35 57 60
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…
e 50 part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Courses Frequency Relative Frequency Cumulative Frequency 1 0.38 2 3 19 18 a. Complete the table. b. What percent of students take exactly one course? Submit Question %
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 0-0 Frequency Midpoint 150 187 Relative Frequency 10 7 19 0 1338 1 0 10 5 0 3180 11 Cumulative Frequency
A data set is summarized in the frequency table below. The data set contains a total of 30 data values. What is the missing frequency? Value Frequency 1 5 2 3 3 4 4 6 5 □ 6 2 7 3 8 4
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In a student survey, fifty-two part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 19 19 2 0.2885 3 18 0.3462 52 What percent of students take exactly two courses?_______ %