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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.
do this
Median The median describes the value of the middle term in data. The data set must be ranked first in increasing order before the middle value is identified. The median separa
The following figure shows a histogram of the annual maxima of daily rainfall levels (in millimetres) recorded at Maiquetia international airport, Venezuela, for the years 1952 to
CASE STUDY 1 3 MARKS An audit of the accounting records of Loch Ness Ltd. for the year ending 30 June 2012 discovered that the ending inventory balance
I will submit a file that explains what is supposed to be done in order to complete the project. And, another file will be submitted that has the blanks in it. I need the work to b
Proton-electron hypothesis: this was put forward in the year 1930 to account for the emission of alpha and beta particles from the nuclei of radioactive elements. The positive char
_______ 1. F''s share of income from various sources is as follows for the current year: Source F''s Share of Entity''s Net Income F''s Share of Distributions ABC Partnership after
Can you provide me a study guide for accounting please? Can you give me picture examples & instructions on how to do things that are really easy to understand? I need this for doin
The research should be Quantitative Research: A means for testing objective theories by examining the relationship among variables. These variables can be measured and analyzed
A study of a new anti-depressant drug took a sample of 10 individuals with high depression screening measures (DSM) and gave them the drug for three months. At the end of the thre
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