Research Methods Lecture 5 Practice Free Essay

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.....child's household income level growing up and how they spend their money when they become adults. Essentially, you want to know if there is any association between childhood wealth and spending in their later years asadults -- not only in the sample but also in the larger population from which the sample was drawn.THIS DATA IS COMPLETELY MADE-UP.



Below is the resulting contingency table with the actual frequencies.



Childhood Wealth



Totals



Spending in Adulthood



Grew up 'poor'



Grew up 'rich'



1=Frugal spender



fe11=_____



fe12=_____



2=Average spender



fe21=_____



fe22=_____



3=Big spender



fe31=_____



fe32=_____



Totals



Compute the expected frequencies (fe) for the table above. YOU MUST SHOW YOUR WORK.



Formula; Eij = Ti * Tj /N



fe11 = 65*67/140 = 31.11 fe12 = 65*73/140 = 33.89



fe21 = 45*67/140 = 21.

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54 fe22 = 45*73/140 = 23.46



fe31 = 30*67/140 = 14.36 fe32 = 30*73/140 = 15.64



2. State the null hypothesis and the research hypothesis.



H0: There exists no association between childhood wealth, and spending in their later years



H1: There is an association between childhood wealth, and spending in their later years



3. When I make my final conclusion, I want to be 99% confident, therefore my p-value must be based on a significance level of:



a. 0.1 b.0.5 c. 0.01 (explanation: confidence level = 1 -- significance level) d. 0.05



4. If the p-value I calculate is less than the significance level I choose, what should I do? (Circle One)



(a) Accept the null hypothesis (b) Reject the null hypothesis (c) Neither



5. If I tentatively accept the null hypothesis for the above study (see Table), what does that.....

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References

Gravetter, F.J. & Wallnau, L.B. (2009). Statistics for the Behavioral Sciences (8th ed.). Belmont, CA: Cengage Learning

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