Determine the sample variance and standard deviation for the following data by using the computational formula. Class
Question:
Determine the sample variance and standard deviation for the following data by using the computational formula.
Class ......... f
5–under 9 ........20
9–under 13 ........18
13–under 17 ........ 8
17–under 21 ........ 6
21–under 25 ........ 2
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 70% (10 reviews)
Class f M fM fM 2 5 9 20 7 140 980 9 13 18 11 198 2178 1...View the full answer
Answered By
Nazrin Ziad
I am a post graduate in Zoology with specialization in Entomology.I also have a Bachelor degree in Education.I posess more than 10 years of teaching as well as tutoring experience.I have done a project on histopathological analysis on alcohol treated liver of Albino Mice.
I can deal with every field under Biology from basic to advanced level.I can also guide you for your project works related to biological subjects other than tutoring.You can also seek my help for cracking competitive exams with biology as one of the subjects.
3.30+
2+ Reviews
10+ Question Solved
Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
Question Posted:
Students also viewed these Statistics questions
-
Determine the population variance and standard deviation for the following data by using the original formula. Class ......... f 20under 30 ....... 7 30under 40 .......11 40under 50 .......18 50under...
-
The mean and standard deviation for a random variable x are 5.0 and 2.0, respectively. Find the mean and standard deviation if a. each value of x is increased by 3 b. each value of x is multiplied...
-
Sample values of variance and standard deviation are ____ so they are better approximations of the ____ values.
-
Find RL for maximum power transfer and the maximum power that can be transferred to the load in the circuit in figure. 1 mA 1 kn 2 mA RL 0.5 kn 1 kn 2 mA +)6 V
-
How can a marketer foster a brand community?
-
Suppose you work in the loan department of Superior Bank. Dean Young, owner of Dean Young Beauty Aids, has come to you seeking a loan for $500,000 to expand operations. Young proposes to use accounts...
-
Wilmot Real Estate Co. had the following balance sheet at year-end 2015: In early 2016, the company took out a \($200,000\) two-year bank loan to finance new real estate investments. The loan...
-
On January 1, 2013, Carlos Corporation purchases 90% (18,000 shares) of the outstanding common stock of Dower Company for $504,000. Just prior to Carlos Corporations purchase, Dower Company has the...
-
How to deface a webpage hosted on a web server by modifying the web page index.html file?
-
This project can be done in groups. Each group must find a set of data, preferably but not restricted to your field of study. The data need to fit the regression framework with a regression variable...
-
Compute the mean, the median, and the mode for the following data. Class ......... f 1.2under 1.6 .......220 1.6under 2.0 .......150 2.0under 2.4 ....... 90 2.4under 2.8 .......110 2.8under 3.2...
-
A random sample of voters in Nashville, Tennessee, is classified by age group, as shown by the following data. Age Group .....Frequency 18under 24 ......17 24under 30 ......22 30under 36 ......26...
-
Describe the case for promoting workforce diversity.
-
What is long-form audit report?
-
How is an auditor of banking company appointed?
-
How will you as an auditor deal with the following? (a) Cash (d) Unpaid dividends (b) Provision for taxation (e) Goods in transit (c) Leasehold properties (f) Disposal of plant
-
In an automated payroll system, all employees in the finishing department were paid at the rate of $7.45 per hour when the authorized rate was $7.15 per hour. Which of the following controls would...
-
Which of the following is the least persuasive documentation in support of an auditors opinion? a. Schedules of details of physical inventory counts conducted by the client b. Notation of inferences...
-
Give the principal organic product in the reaction of quinoline with each of the following reagents. (a) 30% H 2 O 2 (b) NaNH 2 , heat; then H 2 O (c) Product of part (a), then HNO 3 , H 2 SO 4
-
What kind of rays are X-rays?
-
The properties of the system, whose value for the entire system is equal to the sum of their values for individual parts of the system, are known as: (a) Thermodynamic properties (b) Extensive...
-
Determine the following exponential probabilities. a. P(x 5 | = 1.35) b. P(x < 3 | = 0.68) c. P(x > 4 | = 1.7) d. P(x < 6 | = 0.80)
-
The average length of time between arrivals at a turnpike tollbooth is 23 seconds. Assume that the time between arrivals at the tollbooth is exponentially distributed. a. What is the probability that...
-
A busy restaurant determined that between 6:30 P.M. and 9:00 P.M. on Friday nights, the arrivals of customers are Poisson distributed with an average arrival rate of 2.44 per minute. a. What is the...
-
A client has agreed to invest 6 0 0 in an account at the end of the first semester of each year, and 8 0 0 at the end of the second semester of each year. The bank pays an effective annual interest...
-
Break-Even Point Schweser Satellites Inc. produces satellite earth stations that sell for $110,000 each. The firm's fixed costs, F, are $3 million, 50 earth stations are produced and sold each year,...
-
The margin on a futures contract can most likely be described as
Study smarter with the SolutionInn App