(b) Use the cumulative relative frequency plot from part (a) to answer the following questions. (Enter your answers to two decimal places.)(i) What is the approximate proportion of patients who lived fewer than 5 years after treatment?(ii) What is the approximate proportion of patients who lived fewer than 7.5 years after treatment?(iii) What is the approximate proportion of patients who lived more than 10 years after treatment? The authors of a paper studied patients who had been diagnosed with stage 2 multiple myeloma prior to the age of 50. For each patient who received high dose chemotherapy, the number of years that thepatient lived after the therapy (survival time) was recorded. The cumulative relative frequencies in the accompanying table were approximated from survival graphs that appeared in the paper.Years Survived0 to <22 to <44 to <66 to <88 to <1010 to 1212 to <1414 to 16Cumulative RelativeFrequency0.100.520.540.610.680.700.821.00(a) Use the given information to construct a cumulative relative frequency plot.

The data for cumulative frequency is given as- Year survived Frequency0 to < 20.12 to< 40.524…

Answered: b) Use the cumulative relative…

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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A company decides to investigate the amount of sick leave taken by its employees. A sample of seven employees yields the following numbers of days of sick leave taken in the past year. 1 1 3 0 0 63 Use this information to answer parts a through c. O a. Find and interpret the range. The range is 6 days. Choose the correct interpretation of the range below. A. The largest difference between the mean and any other value is equal to the range. B. The number of days separating the fewest and most sick days taken is equal to the range. C. The range represents the average distance of an observation from the mean. D. The range gives the most useful value for measuring the spread of the data. b. Find and interpret the standard deviation s. s= 2.16 (Round to two decimal places as needed.) Choose the correct interpretation of the standard deviation below. A. The standard deviation represents the sum of the deviations from the mean. B. Since the standard deviation uses the square of the units of…
For problems 1 to 3, refer to the following:The price-earnings ratio for 19 stocks in the retail trade category are:8.6 9.9 9.8 9.4 9.1 11.5 8.0 10.4 10.2 11.110.5 8.3 8.7 8.4 11.9 9.9 9.1 8.3 10.71. How many observations fall above the 7th decile of the price-earnings ratio? A. 5 B. 6 C. 7 D. 8 2. What is the first quartile value of the price-earnings ratio? A. 8.3 B. 8.65 C. 10.45 D. 11.18 3. How many observations fall below the 1st quartile value of the price-earnings ratio? A. 5 B. 6 C. 7 D. 8
Illustration 10.21. The values of the arithmetic mean and the standard deviation of the following frequency distribution of a continuous variable derived from short-cut method are 135.3 lbs. and 9.6 lb. respectively. -4 -3 -2 -1 1 2 Total Freq. 5 8. 18 22 13 80 Determine the actual class interval. 34
Illustration 9. From the following observations, relating to the number of seeds germinated out of 10 seeds on damp filter from 100 sets of 10 seeds fit a binomial distribution for the data : No. of seeds germinated : 0 No. of sets : 1 2 3 4 6. 7 6. 10 6. 39 28 12 8. ㅇ
Q. 1 (a) A city has the 7895 children under age 5 and 15320 women aged 15-49. What is child-woman ratio? (b) Consider a population, where the number of female births is 6543 and number of male birth is 6756. What is the sex ratio? Interpret your answer. (c) In a country with a population of 6.5 million people, 75,000 deaths occurred during the year ending December 31, 2020. These included 33,000 deaths from cholera in 100,000 people who were sick with cholera. (i) What was the cause-specific mortality rate from cholera in 2020? (per 100,000) (ii) Calculate and interpret the case-fatality rate from cholera in 2020? (Give the answer in percentage). (d) If the end point age is 65 years then find Years of Potential Life Lost (YPLL), for following cases: 100 deaths at age 60, 50 deaths at age 50, 20 deaths at age 20,
Please answer Question 8.
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Can you please help me with question 2(d) and (e)
To persuade his parents to contribute to his new car fund, Carmine has spent the last week surveying the ages of 2,000 cars on campus. His findings are reflected in the following frequency table. Age of Car (years) x = Number of Cars 0 1 2 3 4 140 350 450 650 200 5 120 6 7 8 50 15 5 9 10 15 5 Carmine's jalopy is 7 years old. He would like to make the following claim to his parents: "x percent of students have cars newer than mine." Use a relative frequency distribution to find x. %
[3] Situation: In a known hardware store in Pampanga, the manager is interested to know how much on average, their customers spend each visit in the store. Using their records, a 1000 visits were drawn and the customer’s average spending were calculated. From the computation, the mean amount spent of the customers per visit in the store was computed at P3,034.35. This is an example of a: a. Population b. Sample c. Parameter d. Statistic e. Variable
The monthly salaries of a sample of 500 employees were rounded to the nearest R10 rand notes. They ranged from a low of R2999 to a high of R4250. If we want to condense the data into ten class intervals, what is the most convenient class width (rounded off to zero decimals)? ⒸA. 50 B. 10 C. 125 D. 90
70 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 10 10 1 0.1 17 2 10 0.1429 27 8. 0.1143 35 4 7. 0.1 42 ? 0.1286 51 6 0.1 12 0.1714 70 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week?

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