The heights (in inches) of 30 adult males are listed below. A frequency distribution show the frequencyand relative frequency using five classes.70 72 71 70 69 73 69 68 70 7167 71 70 74 69 68 71 71 71 7289 69 TL 0 1 669Height (in inches)67.0-68.4FrequencyRelative Frequency0.206.5.130.16770.0-71.40.43371.5-72.973.0-74.40.1334.Which category of heights represents the mode?O 67.0-68,468.5-69,90 70.0-71.4O 71.5-72.973.0-74.4Save All Answers34°Fhere to search+666

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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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Based on the following frequency distribution, what proportion of students had a grade of 60- 69? Test Grades F 30 - 39 8 40 - 49 7 50 - 59 5 60 - 69 4 70 - 79 3 80 - 89 2 90 - 99 1
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 - 84 1 85 - 89 16 90 - 94 71 95 - 99 108 100 - 104 83 105 - 109 18 110 - 114 3 What is the lower class limit for the fourth class?lower class limit =
The following marks were recorded on a test. 82 97 59 67 93 92 99 96 68 85 55 74 89 86 62 72 75 81 79 88 a) Create a frequency table b) Create a histogram c) Describe the shape of the distribution Please write clearly thank you. *If possible to make the histogram digital and not drawn.
Construct a histogram and an ogive
A personal trainer analyzes the progress of her clients. So she calculates the body mass index (BMI) for each. The BMIs for all of her current clients are given below. Construct a frequency table for these values using 5 classes. 18.1,20.8,22.2,23.1,23.4,23.6,24.4,25.1,25.4,26.4,27.7,30.7 Provide your answer below: Lower Class Limit Upper Class Limit Frequency 20.6 23.2 3 25.8 5 25.9 28.5 31.0 1
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 12 0.1091 12 0.0818 21 2 0.1091 3 13 0.1182 46 4 17 0.1545 63 5 17 0.1545 80 6. 17 0.1545 97 7 13 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 4 times per week?
89 100 97 90 59 53 89 92 68 94 62 73 68 67 88 59 77 79 74 99 67 61 97 94 85 76 77 86 64 76 97 81 70 92 76 93 51 75 74 52 89 54 75 83 66 55 50 55 87 87 63 97 50 87 85 63 92 92 73 52 72 86 86 98 76 75 90 97 73 68 87 65 64 56 64 1. Use the above data to prepare a frequency distribution table with 6classes. 2. Find the measures of center. 3. Analyze the measures of center. 4. Prepare a box-plot, correctly identifying the 5-number summary, upper and lower fences, and outliers (if any.) Properly sketch the box-plot. 5. Find the measures of variance. 6. List all data that are found in each of the following categories: 3 standard deviations below the mean, 2 standard…
Consider the following frequency distribution: Score Freq 7 18 6 77 5 20 4 7 3 3 2 1 1 3 What is the percentile rank for a score of 5? What is the score corresponding to the 80th percentile?
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Based on the following frequency distribution, what percent of students had a grade of 49 or less? Test Grades F 30 - 39 8 40 - 49 7 50 - 59 5 60 - 69 4 70 - 79 3 80 - 89 2 90 - 99 1
Use the same scales to construct boxplots for the pulse rates of males and females from the accompanying data sets. Use the boxplots to compare the two data sets. Click the icon to view the data sets. Men's Pulse Rates 62 60 70 70 62 86 82 77 76 74 Full data set 87 53 90 65 69 56 80 61 76 80 53 60 67 63 62 49 70 60 70 56 64 77 67 60 69 73 73 62 50 57 Women's Pulse Rates 78 68 70 70 77 76 98 70 66 78 70 58 74 77 78 92 95 60 100 100 77 64 84 63 72 77 75 90 88 73 83 71 76 103 62 70 70 89 74 80 Choose the graphs that represent (picture attached!!) Compare the two boxplots. Choose the correct answer below. A. In general, it appears that males have higher pulse rates than females. The variation among the male pulse rates is much greater…
The frequency of repair for the trucks owned by a trucking firm over a 5-year period has been tabulated. The results are shown in the following frequency distribution.

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