This figure presents the percentage deviationfrom the 60:40 ratio in the market values ofequity of Royal Dutch and Shell betweenSeptember 1980 and September 1995.1) What is the main finding of this Figure?2) What is the explanation for the finding?QUESTION I: THE TWIN-SECURITIES.percent deviation1-108/+/618/t/628/9/6£8/9/69/5/849/5/85купить9/5/86толичинити28/2/688/9/668/9/606/9/616/9/69/7/929/7/93574*Fig. 2.1 Log Deviations From RoyalDutch/Shell Parity.haySource: Froot and Dabora (1998).9/7/95

Hint: The graph has an increasing trend over the period of time.

Answered: This figure presents the percentage…

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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Q.2: Mr. Ahmed is planning to recruit some additional sales staff for his company Al Khalif LLC. Since the sale varies from time to time, he decided to recruit staff if average sales is more than RO 35000. Following are the details of his company's sales for past 50 days. Sales 00- 10-20 20-30 30-40 40-50 50-60 60-70. 70- ('000RO) 10 80 No. of 05 07 10 05 08 05 05 05 days a) What would you suggest Mr. Ahmed regarding recruitment of sales staff? Give reason for your answer. b) What is the mode sale of the company? Why do you calculate mode sales?
8. ODD, EVEN, or NEITHER s time. Determine the average rate of
true or false: If a 90% CI for the difference between two means is calculated to be [ 6.2, 9.6] then in words this is interpreted as the 90% of the time the true population difference in means will be between 6.2 and 9.6
What is the following: 1. Sum of XY 2. a=? 3. b=?
The table below indicates the cost of certain air tel kiosk Z 0.15 0.20 0.25 0.75 0.80 0.85 1.85 1.90 1.95 2.00 2.05 Фz 0.0596 0.0793 0.0987 0.2734 0.2881 0.3023 0.4678 0.4713 0.4744 0.4772 0.4798 If it was stated that, the number of telephone calls received at a switchboard is approximately normal with a mean of 580 calls and a standard deviation of 10. REQUIRED Find the possibility that on a given day the number of calls received at the switchboard will be; Exactly 578 Less than 570 Between 561 and 600 inclusive
3. An assesses depreciated the machinery of his factory by 10% each in the first two years and by 40% in the third year and thereby claimed 21% average depreciation relief from taxation department, but the I.T.O. objected and allowed only 20%. Show which of the two is right. 4. The mean weight of 150 students in a certain class is 60 kilograms. The mean weight of boys in the class is 70 kilogram and that of the girls is 55 kilograms. Find the number of boys and number of girls in the class.
4) The percentage relative error is A) E, = 10 E, B) E, = 100 E, C) E, = E, D) E, = Ea
4
5. Bone mineral density (BMD) is a measure of bone strength. It is defined as the ratio of bone mass to the cross- sectional area of the bone that is scanned, and it is expressed in units of grams per square centimeter (g/cm²). Recent studies suggest that peak BMD in women is achieved between ages 15 and 40, and BMD declines after age 45. Decreased BMD is associated with increased risk of bone fracture. In a recent study, the impact of regular physical exercise on women in differing stages of BMD development was examined. A simple random sample of 59 women between the ages of 41 and 45 and with no major health problems were enrolled in the study. The women were classified into one of the two following groups, based on their level of exercise activity. • Sedentary: minimal participation in physical exercise in the past three years (This group contained 31 women.) • Walkers: walk at an aerobic pace at least 135 minutes per week during the past three years (This group contained 28 women.)…
In order to estimate the difference between the yearly incomes of marketing managers in the East and West of the United States, the following information was gathered: East West n1= 40 I1=72 (in $1000s) 2= 78 (in $1000s) 51 =6 (in $1000s) n2= 45 s2 = 8 (in $1000s) Develop an interval estimate for the difference between the average yearly incomes of the marketing managers in the East and West. Use a = .05. At 95% confidence, use the p-value approach and test to determine if the average a. b. yearly income of marketing managers in the East is significantly different from the West
14. What is the significance of the coefficient of variation?
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This figure presents the percentage deviat from the 60:40 ratio in the market values o equity of Royal Dutch and Shell between September 1980 and September 1995. 1) What is the main finding of this Figure? 2) What is the explanation for the finding?