Example 25. The quarterly profits (in lakhs of Rs.) of three companies are Calculate their standard deviation and coefficient of variation which company is more solid ? given below. Quarters Соmpany A Соmpany B Jan-March 9.5 15.5 Аpril-June 13.7 21.2 July-September 10.4 23.4 October-December 8.6 18.8

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Q: The Credit Risk Department of a major bank estimates the default rate on loans under $10,000 to be…

A: P=0.011-P=1-0.01=0.99n=1100

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Q: 3. The average bmi (body mass index) of 500 college students is normally distributed with a mean of…

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Q: 22 A city's yearly precipitation over a 50- year period is summarized in the box plot. Yearly…

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A: We know that  Mean = sum of all observations /total number of observations

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A: Solution

Q: What was Hasan's GPA (weighted mean) rounded to 1 d.p. ? 022 072 3.3 02.1

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A: GivenMean(μ)=229standard deviation(σ)=57

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Q: (a) Meall (b) Mean = 0, Standard Deviation = 84 (c) Mean = 0, Standard Deviation 59 (d) Mean = 92,…

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Q: In a population of exam scores, a score of X = 88 corresponds to z = 2 and a score of X = 79…

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Q: 7. During 1 month, an overnight delivery company found that the weights of its 10 oz. Use the…

A: We want to find the probability by using emperical rule

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A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: ) 5.2°F per month

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Q: Example 57. If 40 is added to each of a set ofr 25 values, the Coefficient of Variation changes to…

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Q: How do I write a function in R Studio to compute mean, variance, and standard deviation for a pmf?

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Q: 6. In the claims department of an insurance office various quantities are computed at the end of…

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Q: or False n interpreting the variance, the smaller the n interpreting the standard deviation, the

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Q: Example 5 The highlights of the Railway budget for 1983-84 are as follows. The actual gross traffic…

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 4. During the course of a semester, 10 students in Mr. Smith's class took three exams. Use Microsoft…

A: Given, Test1 Test2 Test3 90 94 95 65 75 90 51 77 91 88 84 93 72 88 92 75 84 90 60…

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Q: According to the regression equation, for a student who gets 85 on the midterm (one standard…

A: For midterm, it is given that Mean1 = 75, SD1 = 10 For final, it is given that Mean2 = 75, SD2 = 10…

Q: If the actual sales for the years 2017, 2018, 2019, and 2020 were 1000, 2000, 3000, and 4000…

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Q: Mention if the following statements are TRUE or FALSE. If FALSE, write the CORRECT statement. (c)…

A: True or False consist of a statement that requires a response in the form of true or false.

Q: Pax World Balanced is a highly respected, socially responsible mutual fund of stocks and bonds.…

A: Given that, for Pax World Balanced : x¯ = 9.70% and s=13.95% and for Vanguard Balanced Index: x¯ =…

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Q: What are the functions of averages?

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Q: true or false: If a 90% CI for the difference between two means is calculated to be [ 6.2, 9.6] then…

A: It is given that the 90% confidence interval for the difference between two means is (6.2, 9.6).