Two years ago, the standard deviation of the masses of a group of men and a group
Question:
Two years ago, the standard deviation of the masses of a group of men and a group of women were 8kg and 6kg, respectively. Today, all the men are 5kg heavier and all the women are 3kg lighter. Find the standard deviation for each group today.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (10 reviews)
Let X represents the weight of group of men two years ago ...View the full answer
Answered By
Marvine Ekina
Marvine Ekina
Dedicated and experienced Academic Tutor with a proven track record for helping students to improve their academic performance. Adept at evaluating students and creating learning plans based on their strengths and weaknesses. Bringing forth a devotion to education and helping others to achieve their academic and life goals.
PERSONAL INFORMATION
Address: , ,
Nationality:
Driving License:
Hobbies: reading
SKILLS
????? Problem Solving Skills
????? Predictive Modeling
????? Customer Service Skills
????? Creative Problem Solving Skills
????? Strong Analytical Skills
????? Project Management Skills
????? Multitasking Skills
????? Leadership Skills
????? Curriculum Development
????? Excellent Communication Skills
????? SAT Prep
????? Knowledge of Educational Philosophies
????? Informal and Formal Assessments
0.00
0 Reviews
10+ Question Solved
Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
Question Posted:
Students also viewed these Mathematics questions
-
The standard deviation of the portfolio is always equal to the weighted average of the standard deviations of the assets in the portfolio. (True or false?)
-
For problem 4, suppose that the standard deviation of demand during the 13-day period drops to 4 tins. What happens to the restocking level? Explain why.
-
For adult females, the standard deviation of their white blood cell counts is equal to 5.00. The random sample of 40 adult females in Data Set 1 from Appendix B has white blood cell counts with a...
-
What is meant by date alignment? Does it exist on the consolidated worksheet under the following methods, and if not, how is it created prior to elimination of the investment account under each of...
-
How many electrons does a Ba atom have to lose to have a complete octet in its valence shell?
-
A convertible bond is a bond that can be exchanged for stock at the discretion of the bondholder. How would you go about finding the value of such a bond? Would the bond be worth more or less than an...
-
Will the confidence interval for the slope parameter include zero or not? Explain.
-
The Alfredo Fragrance Company produces only one product, a perfume called Hint of Elegance. Hint of Elegance consists of two secret ingredients blended into an exclusive fragrance, which is marketed...
-
Tim es un abogado que gana un salario de $140,000. Quiere reducir sus impuestos invirtiendo en una corporacin de pequeas empresas calificada para aprovechar la exencin de ganancias de capital de por...
-
The Hawkins Supply Company is currently faced with an inventory rotation problem. This difficulty stems from the fact that some supplies must be used prior to a stated expiration date. Upon receipt,...
-
The range of prices of the newspapers sold at a kiosk is $0.80. After 6p.m. all prices are reduced by 20%. Find the range of the prices after 6p.m.
-
Given that: a. v 2 = 5480, v = 288 and n = 64, find the variance of v. b. w 2 = 4000, w = 5.2 and n = 36, find the standard deviation of w. c. x 2 f = 6120, f = 40 and the standard deviation of x is...
-
What are the four key perspectives in the balanced scorecard? LO1
-
Use least square regression to fit a straight line to the following data taken from the conductance (S/m) of a material with respect to temperature (C) of a composite material used to absorb heat....
-
A pile group consists of nine friction piles in clay soil (see Figure 10-40). The diameter of each pile is 16 in., and the embedded length is 30 ft each. Center-to-center pile spacing is 4 ft. Soil...
-
The rigid bar EBC is supported by two links AB and CD as shown in Figure 1. The Link AB is made of aluminum (E = 70 GPa) and the link CD is made of steel (E = 200 GPa). Both links have a Width = 30...
-
a well-insulated storage tank was pressurized under ideal gas conditions by air flowing into the tank. We used the first law to estimate the final temperature of the gas in the tank, Tf,tank- = We...
-
Transportation of natural gas is commonly done via pipelinesacross long distances. A company uses a 0.6-m diameter pipe totransport natural gas. Then pumping stations are located atdifferent points...
-
Using the data in Brief Exercise 63, repeat part (2) using least-squares regression (using any spreadsheet software). Is units produced a reliable basis for estimating processing costs? Units...
-
Feller Company purchased a site for a limestone quarry for $100,000 on January 2, 2019. It estimate that the quarry will yield 400,000 tons of limestone. It estimates that its retirement obligation...
-
Find the volume obtained when the shaded region is rotated through 360 about the x-axis. a. b. c. d. y=x + / 2 X
-
a. Differentiate (2x 2 1) 5 with respect to x. b. Hence, find fx(2x - 1)4 dx.
-
Find the equation of the curve, given dy/dx and a point P on the curve. a. b. c. d. dy dx = (2x 1)3, P = 2.
-
All of the following are included on Form 1040, page 1, EXCEPT: The determination of filing status. The Presidential Election Campaign check box. The income section. The paid preparer signature line.
-
Question One: (25 marks) (X) Inc. purchased 80% of the outstanding voting shares of (Y) for $360,000 on July 1, 2017. On that date, (Y) had common shares and retained earnings worth $180,000 and...
-
Regarding Enron, this was a company that resulted in the creation of the Sarbanes-Oxley Act and many reforms to the accounting profession. Research the company and answer the following...
Crafting A Social Media Strategy For Public Relations 1st Edition - ISBN: 979-8858761754 - Free Book
Study smarter with the SolutionInn App