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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.
which method is better for new product to gather the information they need,primary data or secondary data?
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Regression line drawn as Y =C+1075x, when x was 2, and y was 239. Given that y intercept was 11. Calculate the residual.
1. What type of correlation coefficient would you use to examine the relationship between the following variables? Explain why you have selected the correlation coefficients. A.
how to re-reference a series.
Obligations showing the responsibility to pay for solutions or products that have been suffered or obtained but not compensated for by the end of the sales interval.
The results of a study using focused comparison techniques showed that two independent variables distinguished between successful and unsuccessful negotiations with the US on secur
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
1. This question has multiple parts. For a distribution of scores with = 82 and standard deviation = 2.5, find the following: (Don't forget to sketch the normal curve to help
advantages and disadvantages of integrated economic statistics
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