Reference no: EM13736887
Question 1
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Ventura
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County
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Males
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430360
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Females
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401605
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How large a sample that is proportional to the number of males and females in Ventura County, CA is required if you want to be 95% confident that the sample is representative of the population?
Question 2
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Ventura
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County
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Married
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210904
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Suppose that you also know the number of males and females that are married in Ventura County, CA.
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Ventura County
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Married
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Not Married
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Males
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430360
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210904
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|
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Females
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401605
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210904
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How large a sample that is proportionate to the number of married males and females in Ventura County, CA is required if you want to be 95% confident that the sample is representative of the population? Note that you have to assume that the Males in the County are married to the Females in that county.
Question 3
Selected Economic Characteristics - Ventura County, CA: 2002
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Total Population
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770,658
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Households
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251,037
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Household Size
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Mean
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3.07
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Deviation
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0.016
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Household income (dollars)
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Mean
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75,748
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Deviation
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1524
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How large a sample that will yield an average household size of 3.07 for Ventura County, CA is required if you want to be 95% confident that the sample is representative of the population?
Question 4
How large a sample that will yield an average household income of $75, 748 for Ventura County, CA is required if you want to be 95% confident that the sample is representative of the population?
Question 5
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Bush
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Gore
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Florida Votes Cast
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2912790
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291253
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If you wanted to predict the 2004 Florida Presidential election, how large a sample would you have needed required if you want to be 95% confident that the sample is representative of the population?
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Column
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Variable
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Variable Type:
Nominal
Ordinal
or
Interval
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A
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Household Identification Number 1-60
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B
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Weekly food expenditure, actual, e.g., 34.50
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C
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Number of persons in household, coded in nine categories
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D
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Annual income of household, actual, e.g., $10,000
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E
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Age of head of household, actual, e.g., 38
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F
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Education of head of household, coded in seven categories
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G
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Any children under 6 years in household, coded into two categories
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H
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Any children 6-18 years in household, coded into two categories
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I
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Annual income of household, coded in six categories
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J
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Age of head of household, coded into seven categories, 1-7
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Assume that Sheet 1 shows census data. Your task is to describe that population. Nominal, ordinal, and interval variables have been included so that you will get a chance to work with nominal, ordinal, and interval variables.
Question 6
Including all three columns, Copy/Paste NominalOrdinalInterval.doc into your framework for your answer to CASE2, Question 6. In that copied/pasted table, input the word that appropriately describes each of the MKT403-HouseholdData.xls A-J variables as nominal (dichotomous), ordinal or interval.
Question 7
For variables B, D, and E in MKT403-HouseholdData.xls; what are the means and standard deviations? Why is the mean an inappropriate parameter for describing variables C, F, G, H, I and J?
Question 8
Tabulate variables C, F, G, H, I, and J in MKT403-HouseholdData.xls and present the resultant absolute frequency, cumulative frequency, and absolutive and cumulative percentage distributions.
Question 9
How large a sample will yield the average household income of the population described by Variable D in MKT403-Data.xls?
Question 10
How large a sample will yield the income distribution of the population described by Variable I in MKT403-HouseholdData.xls?
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