a Find the missing information from the following:Group I50Group IIGroup II?CombinedNumberStandard Deviation906.72001137-746Mean115116desh Univ. B. Com 199&.

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Answered: é 6-43. Find the missing information…

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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14 38. The income distribution of officers of a certain company was found to follow normal distribuiton. The average income of an officer was Rs. 15,000.00. The standard deviation of the income of officers was Rs. 5,000.00. If there were 242 officers drawing salary above Rs. 18,500.00, how many officers were there in the company ?
49. A frequency distribution gives the following results : ) Coefficient of variation = 5 (ii) Standard deviation = 2 (ii) Karl Pearson's coefficient of skewness = 0.5 Find the mean and mode of the distribution. %3D %3D
3. "The weights of 1,000 children, in average, is 51kg with standard deviation of 13kg. Suppose the weights are normally distributed, how many children weigh greater than 50kg?"a. 468b. 532c. 116d. 352
Consider the following 18,5,19,30,28. Compute the population standard deviation of the numbers. (Round your answer to one decimal place)
4.
1
H3. Discuss the findings on Table 1
First Population Data Set {14 20 31 45 Sb 61753 Use the first population data Jet to tind the population standard deviationo, A. 2782 B. 72784 C. 2786 D. 2788 CHK DE SHK
3. a) Consider the dataset below: . Calculate the mean for this dataset Calculate the standard deviation b) If we add 3 to each datapoint from part a, we get the following dataset: 45 68 8 Calculate the mean for this dataset . Calculate the standard deviation 1 2 3 5 5 c) If we multiply each datapoint from part a by 2, we get the following dataset: 2 4 6 10 10 • Calculate the mean for this dataset • Calculate the standard deviation
1. What symbol (letter) do you use in the Ho and Ha if your problem involves means? 2. What symbol (letter) do you use in the Ho and Ha if your problem involves proportions? 3. What symbol (letter) do you use in the Ho and Ha if your problem involves standard deviations?
1. IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Convert Einstein's IQ score to a z score. a. b. If we consider "usual IQ scores to be those that convert z scores between -2 and 2, is Einstein's IQ usual or unusual? C. The organization MENSA, which calls itself the "high IQ society", requires a score of 130 or higher. What percent of adults would qualify for membership? 2. In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The responses were normally distributed, with a mean of 5.4 and a standard deviation of 2.2. Find the probability that a randomly selected study participant's response was: a. Less than 4 b. Between 4 and 6 c. More than 8 3. The red blood cell count for a population of adult males can be approximated by a normal distribution, with a mean of 5.4 million cells…
mycourses.rcsj.edu/webapps/assessment/take/launch.jsp?course_assessment_id=_986- ch Remaining Time: 1 hour, 06 minutes, 32 seconds. Question Completion Status: QUESTION 19 Provide an appropriate answer. Use the following frequency distribution to determine the Class Frequency 14-20 5 21-27 28-34 35-41 42-48 49-55 9 89 6 7 10 O14-20 O 35-41 O42-48; 49-55 O42-48 QUESTION 20 class (or classes). DELL Click Save and Submit to save and submit. Click Save All Answers to save all answers. M a

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é 6-43. Find the missing information from the following: Group I 50 Group II Group III Combined Number 90 200 Standard Deviation 113 7-746 Mean 115 116 lesh Univ. BCom 199&.