Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Physics Expert

Importance of simple random sampling

1. One can think of the mean as a balance point. How does this relate to the need of squaring the deviations in order to find out the variance?

2. What is random sampling and why is it so essential? Please address both parts of this problem.

Physics, Academics

  • Category:- Physics
  • Reference No.:- M918019

Have any Question? 


Related Questions in Physics

How does ideal culture differ from real culture write your

How does ideal culture differ from real culture? Write your essay using three examples of how ideal and real culture differ in U.S. society. 400 words

A gas turbine disc in a modern jet engine has a mass of 150

A gas turbine disc in a modern jet engine has a mass of 150 kg, a diameter of 1 metre, and spins at 10 000 rpm. Taking a simplified model of the shape of the disc as a uniform thick ring with inner and outer diameters of ...

With relevant examples discuss how philosophical

With relevant examples, discuss how philosophical assumptions, the problem to be studied, the data to be gathered, and the methods of data analysis to be employed are related in conducting qualitative research.

Two circular discs both with radius a are parallel with

Two circular discs, both with radius a, are parallel with mutual distance d, such that their centers are situated on a line orthogonal to the discs. The volume between the discs is filled with oil with viscosity η. One d ...

Determine the schmidt number fora oxygen in air at 300 k

Determine the Schmidt number for (a) oxygen in air at 300 K and 1.0 atm; and (b) oxygen in liquid water at 300 K. At 300 K, the diffusion coefficient of oxygen in liquid water is 1:5 × 10 -9  m 2 /s.

A block with mass m 66 kg is hung from a vertical spring

A block with mass m =6.6 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.27 m. While at this equilibrium position, the mass is then given an initial push downward at v = ...

A classic example of a constrained channel with variable

A classic example of a constrained channel with variable symbol durations is the ‘Morse' channel, whose symbols are the constraints are that spaces may only be followed by dots and dashes. Find the capacity of this chann ...

A race car moves 85 kmh at 55 degrees north of e what are

A race car moves 85 km/h at 55 degrees North of E. What are the E-W and N-S components of its velocity?

An interphase convective mass-transfer process involves the

An interphase convective mass-transfer process involves the transfer of the industrial contaminant, methylene chloride (species A), between air and water at 20°C and 2.20 atm total system pressure. Air is the inert carri ...

The focus is on how social change affects culture through

The focus is on how social change affects culture through the processes of modernization. This unit asks you to share a link to an article or film that provides evidence of the clash between the processes of modernizatio ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro