Refer to the data on number of returns in Example 4. (a) Calculate and s. (b)
Question:
(a) Calculate and s.
(b) Find the proportions of the observations that are in the intervals ± s, ± 2s, and ± 3s.
(c) Compare the results of part (b) with the empirical guidelines.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (9 reviews)
a b c x 26 and s 169655 13025 The proportion of the observa...View the full answer
Answered By
Salmon ouma
I am a graduate of Maseno University, I graduated with a second class honors upper division in Business administration. I have assisted many students with their academic work during my years of tutoring. That has helped me build my experience as an academic writer. I am happy to tell you that many students have benefited from my work as a writer since my work is perfect, precise, and always submitted in due time. I am able to work under very minimal or no supervision at all and be able to beat deadlines.
I have high knowledge of essay writing skills. I am also well conversant with formatting styles such as Harvard, APA, MLA, and Chicago. All that combined with my knowledge in methods of data analysis such as regression analysis, hypothesis analysis, inductive approach, and deductive approach have enabled me to assist several college and university students across the world with their academic work such as essays, thesis writing, term paper, research project, and dissertation. I have managed to help students get their work done in good time due to my dedication to writing.
5.00+
4+ Reviews
16+ Question Solved
Related Book For
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
Question Posted:
Students also viewed these Statistics questions
-
Refer to the data on ages and numbers of breakdowns for seven machines given in Exercise 13.95. Construct a 99% confidence interval for the mean number of breakdowns per month for all machines with...
-
Refer to the data on the air pollution index and the number of emergency hospital admissions for acute respiratory problems given in Exercise 13.96. Determine a 95% confidence interval for the mean...
-
Refer to the data on median family income in Table 7.1; a five-number summary is given in Section 7.3, page 148. What income value would be an outlier at the upper end, using the definition of an...
-
A soil sample was found to have a CEC of 24.0 cmol c kg -1 . Important: note that a cmol is not the same thing as a cmol c for divalent and trivalent ions! A. How many cmol c kg -1 of Al 3+ would be...
-
Montross Lumber processes wood to be shipped to construction companies. In order to keep their products uniform, Montross conducts inspections on 20 percent of the boards produced. Inspections cost...
-
What is the payback period for the project described below? Machine investment MARR Annual benefit $24,999 10% $6,500 Annual maintenance $2,000 Life 10 years Salvage value $2,000
-
Event A: Randomly select a person who is a professional singer. Event B: Randomly select a person who is a professional dancer Determine whether the events are mutually exclusive. Explain your...
-
Write the letter of the method that is most applicable to each statement. a. Specific identification b. Average cost c. First-in, first-out (FIFO) d. Last-in, first-out (LIFO) ____________ 1. Is the...
-
Electromagnetic waves originate from the disturbance of electric and magnetic fields perpendicular to each other that can propagate in a vacuum. Explain three phenomena that occur in nature or in the...
-
The following units of a particular item were available for sale during the calendar year: Jan. 1 Inventory 10,000 units at $75.00 Mar. 18 Sale 8,000 units May 2 Purchase 18,000 units at $77.50 Aug....
-
Refer to the data on lizards in Exercise 2.19. (a) Calculate and s. (b) Find the proportion of the observations that are in the intervals s, 2s, and 3s. (c) Compare the results of part (b)...
-
When two measurements originate from different sources, converting them to the z scale helps to draw a sensible interpretation of their relative magnitudes. For instance, suppose a student scored 65...
-
Option traders sometimes refer to deep-out-of-the-money options as being options on volatility. Why do you think they do this?
-
The following critical thinking questions can be used for class discussion and/or as written assignments to de- velop communication skills. Be sure to give complete explanations for all questions. 1....
-
State the benefits of purchasing a Peloton bike for the home and to convince readers to buy one.? Discuss in detail . How Peloton increase the sale of their bike how they publicity their product....
-
The production of LCD television sets in Australia increased by 20% this year as compared to last year. Those TV sets were no less advanced technologically than the sets sold in previous years....
-
Automatic round the clock tellers are the newest thing in the banking industry. Several companies have developed these computerized money machines and are bombarding bank managers with sales people...
-
MCI Board Analysis This time, you are on the internal side of the board meeting. As the CFO of MCI, and you must prepare a proposal for discussion at the next meeting of the board of directors. Based...
-
Consider a binomial probability distribution with parameters n = 8 and p = 0.75. (a) Construct a binomial probability distribution with these parameters. (b) Compute the mean and standard deviation...
-
A regular deposit of $100 is made at the beginning of each year for 20 years. Simple interest is calculated at i% per year for the 20 years. At the end of the 20-year period, the total interest in...
-
In a study designed to find differences in personality between cat and dog lovers, 3 subjects were first classified according to their answers to a questionnaire about attitudes towards pets, and...
-
A nutritionist records the time to eat an evening meal, at a student cafeteria, for 64 students. She obtains X = 36.2 and s = 5.6 minutes and reports that the 95% confidence interval for the mean...
-
A company wants to check the consistency of electronic copies of signatures for consumer credit purchases. A sample of 49 electronic signatures are available from the same customer. One measure of...
-
Ramirez Company installs a computerized manufacturing machine in its factory at the beginning of the year at a cost of $45,300. The machine's useful life is estimated at 10 years, or 403,000 units of...
-
14. (3 points) Write a program that ask the user for 1. their first name and 2. their last name, Enter first name: Matt Enter last name: Priem Hello Matt Priem! and then outputs a greeting similar to...
-
Given a sorted array 2, 5, 8, 12, 16, 18, 22, 25, 29, 32 and the following interpolation search algorithm. Show the steps of the algorithm when 25 is searched. Also, when 26 is searched. array a,...
Study smarter with the SolutionInn App