Example of selection a sample, Basic Statistics

Assignment Help:

Q. Example of Selection a Sample?

Ans.

Suppose a presidential election is approaching and many people are interested in knowing which candidate is most likely to win the vote. You have been assigned the task of predicting the future president one month before Election Day. How do you do it?

Solution: Here is one way that you might approach this problem. Use the 4 steps listed above.

1) The objective of this survey is to determine what percent of voters are likely to vote for the republican candidate, the democratic candidate or another candidate.

2) The variable is the way each member of the population chooses to vote. The population is all of the registered American voters.

3) You may decide to randomly dial phone numbers using U.S. area codes until you find 1000 registered voters. Ask them which candidate they plan to vote for.

4) If the sample you have chosen is a good representation of the voting American public, then you might assume that the percentage of voters in your sample who chose to vote republican will be the same percentage of voters in the entire population who will vote republican. You can assume the same for the democratic candidate as well as the other candidates.


Related Discussions:- Example of selection a sample

Descriptive analysis , All Excel output should be copied into a single Word...

All Excel output should be copied into a single Word document where you must enter all of your responses to the questions below. Format the document professionally so it flows well

Find out price, A pharmaceutical company is a monopoly in Alzheimer's disea...

A pharmaceutical company is a monopoly in Alzheimer's disease drugs and faces the following inverse demand curve: , where α is the level of advertising. Its marginal production

Project, The trial balance of the Parton Wholesale Company contained the fo...

The trial balance of the Parton Wholesale Company contained the following accounts at December 31, 2010 the end of the company’s calendar year. PARTON WHOLESALE COMPANY Trial Bala

Characteristics , Mention the characteristics of Statistics. Explain any tw...

Mention the characteristics of Statistics. Explain any two applications of Statistics

Rebate, Refund can be defined as return of a part of a purchase price by a ...

Refund can be defined as return of a part of a purchase price by a seller to a buyer, usually on a purchase of a specified quantity or a value of goods within a specified period.

Determine the variance, A gambling machines works in the following way. The...

A gambling machines works in the following way. The player inserts a penny into 1 of 5 slots which are colored Blue, Red, Orange, Yellow & Green corresponding to 5 colored light bu

Probability, There are 49 mice in a pet shop. 30 mice are white. 27 mice ...

There are 49 mice in a pet shop. 30 mice are white. 27 mice are male. 18 mice have short tails. 8 mice are white and have short tails. 11 mice are male and have short tails.

Generate samples for each distribution, Generate 1000 samples for each of t...

Generate 1000 samples for each of the following continuous random variables: (a). Exponential distribution with λ = 1.2 and λ = 2.1 (b). Normal distribution with μ = 3.1, σ

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd