2. The following list represents the percentage of oxygen content (in g/L) of a given substanceafter various samples were taken: (the values have been ordered for convenience)7 937310111315161820212223272829303436383940414243454647484950 525455a) What is the 38th percentile for the data?b) What is the 71st percentile for the data?c) Find the Inter quartile range

Answered: Image /qna-images/answer/973cc5aa-4926-4067-a776-f7a2978c9b3d.jpg

Answered: 2. The following list represents the…

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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130 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 0.1077 14 13 0.1 27 13 40 3 15 0.1154 55 4 19 0.1462 74 5. 21 0.1615 6. 13 0.1 108 22 0.1692 130 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week? Submit Question
Given the following frequency distribution table for a set of data about the weights of rainbow trout (in pounds) caught by all visitors at a lake on a Saturday afternoon, construct a histogram that accurately summarizes the data. Weight (in pounds) Frequency 4.5-6.5 5 6.5-8.5 2 8.5-10.5 5 10.5-12.5 6 12.5-14.5 2 14.5-16.5 1 Create the corresponding histogram to represent this data below. Drag the dots on the top of the histogram to create the chart.
Given are 4 observations for the monthly expenditure (in 1000s) for a group of families. Monthly expenditure2.12.32.42.8 Monthly expenditure 2.1 2.3 2.4 2.8 The value of the 35th percentile is equal to Select one: a. 2.1 2.1 b. 1.4 1.4 c. 2 2 d. 2.3
The following are the weight (in grams) and quantity of volatile emissions (in hundreds of nanograms) for plants. A scatterplot of the data is given to the right. Weight (x) 57 87 56 63 54 66 63 79 77 52 Quantity (y) 9.0 21.5 10.0 22.5 12.5 11.5 7.5 13.5 16.5 22.0 30- Y 6 9 20+ 10- 0+ 40 60 80 100 a. Obtain the linear correlation coefficient. b. Interpret the value of r in terms of the linear relationship between the two variables. c. Discuss the graphical interpretation of the value of r. d. Obtain the value of the coefficient of determination by squaring r. Q
A?
Given are 4 observations for the monthly expenditure (in 1000s) for a group of families. Monthly expenditure 2.1 2.3 2.4 2.8 The value of the 35th percentile is equal to Select one: о а. 2.1 O b. 1.4 O c. 2.3 O d. 2
The histogram below displays the distribution of 50 ages at death due to trauma (accidents and homicides) that were observed in a certain hospital during a week. 18 16 14 12 10 30 40 50 60 70 80 90 Age What percentage of deaths were individuals younger than 35? (a) 34% (Б) 60% (c) 68% O (d) 70% (e) 80% Frequency 20
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. D there appear to be a difference? Male: Female: 86 71 54 84 57 95 53 89 53 63 59 82 53 91 88 72 68 85 87 90 91 88 70 92 77 63 94 82 86 64 Find the means. The mean for males is 71.9 beats per minute and the mean for females is 80.6 beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Find the medians. The median for males is 71 beats per minute and the median for females is 85 beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Compare the results. Choose the correct answer below. OA. The mean and median appear to be roughly the same for both genders. OB. The mean and the median for males are both lower than the mean and the median for females. OC. The mean and the median for females are both lower than the mean and the median for males.…
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. Does there appear to be a difference? Male: Female: 86 71 54 84 57 95 53 89 53 63 59 72 68 85 87 90 91 88 70 92 77 63 82 53 91 88 94 82 86 64 Find the means. The mean for males is ☐ beats per minute and the mean for females is (Type integers or decimals rounded to one decimal place as needed.) beats per minute.
130 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 0 Frequency Relative Frequency 17 19 17 19 9 15 0.1308 0.1462 0.1308 Cumulative Frequency 1 2 3 4 5 6 7 19 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 4 times per week? 0.0692 0.1154 0.1154 0.1462 17 36 53 81 96 111 130 %
The table below has a total of 60 values. Find the 4th decile for the following Grouped Frequency Data Table (GFDT). Lower Class Upper Class Frequency Limit Limit 40 44 6. 45 49 6. 50 54 5 55 59 60 64 4 65 69 4 70 74 75 79 80 84 4 The 4th decile = CO CO

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