Example 6.16 Find the missing information in the following table:GroupBANumber50Standard deviation67Mean113C90115Combined2007.746116

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Answered: Example 6.16 Find the missing…

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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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 0 14 0.1273 14 1 15 0.1364 29 2 9 38 3 14 0.1273 4 11 0.1 63 5 17 0.1545 80 6 0.1091 92 7 18 0.1636 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 6 times per week? %
1- If marks of 20 students in one class out of 100 were as the following (Screen shot of tables, figures, and Excel file are required): 62 95 47 57 29 45 74 51 39 70 54 43 73 35 54 20 85 49 a. Find the mean, median and standard deviation of these marks. b. Construct the frequency table using interval width of 10 marks. c. Create a histogram chart (Present data in a method that can be understood by a non- technical audience). d. Find the probability of each age interval and represent that using histogram (Present data in a method that can be understood by a non- technical audience). e. From the graph in part d, find the probability that student get a grade of 70 or less and show how you find that on the figure. 6532
The ages (in months) at which 30 children were first enrolled in a preschool have been recorded, and the results are shown in the following grouped frequency distribution table. Which of the following histograms correctly displays the information in the table?
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 14 0.1273 14 1 14 0.1273 28 2 10 0.0909 38 3 58 4 11 0.1 69 5 7 0.0636 76 6. 17 0.1545 7 17 0.1545 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 7 times per week? Hint: Frequency Tables
Consider the following data set. Round your answers to the nearest hundredth as needed. 38 42 37 28 56 48 47 68 68 68 Mean = ___Median = ___Mode = ___Range = ___
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Example 6.16 Find the missing information in the following table: Group A B Number 50 Standard deviation 6 7 Mean 113 - 90 115 Combined 200 7.746 116