4_Problem_Set

# 4_Problem_Set - the only positive value which represents a...

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PAM 210 Professor Owens Problem Set 4 2/17/08 1) Employment rate and food stamp participation tend towards opposite directions along the time series. As employment rate decreases, food stamp participation increases, and vice versa. 2) correlation coefficient: -0.32885 Value of b when food stamp participation is explanatory: -.473293 For every 1 more percent of the population that uses food stamps, .473293 less percentage of the population is employed Value of b when employment rate is explanatory: -.228489 For every 1 more percent of the population that is employed, .228489 less percentage of the population participates in food stamps 3) a. a= .4865; b= -.00203 b. a= .5549; b= -.0031 c. a= .26973; b= 8.3669 E-4 Our b value of 8.3669 E-4 best predicts what would have happened to the labor force participation if the food stamp program had become more generous. This is because it is

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Unformatted text preview: the only positive value which represents a positive relationship between the quality of the food stamp program and the % of people not in the work force. This indicates that as the amount of money offered by the program increases the % of people not in the work force increases. This can be accounted for by people’s needs being entirely fulfilled by food stamps and thus lacking motivation to work. For this reason, congress decided to deny money to the food stamp program. Moore & McCabe # 2.57) a) Mean X: 95 Mean y: 12.66111111 SD X: 53.38539126 SD y: 8.496721782 Correlation coefficient: 0.995757622 b) Mean y: 32.15922222 SD y: 21.58167333 Correlation coefficient: 0.995757622 c) b= .402547 Moore & McCabe #2.64) a) Predicted value: .9524 Residual is .0376 b) Sum of the residuals does not equal zero c) There is a curved pattern that is relatively weak....
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## This homework help was uploaded on 02/01/2009 for the course PAM 210 taught by Professor Abdus,s. during the Spring '08 term at Cornell.

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4_Problem_Set - the only positive value which represents a...

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