Practice 2

E the jones family is estimated to have between 29600

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Unformatted text preview: he Jones family is estimated to have between $29,600 and $32,100 less debt than the Smith family, with 95 per cent confidence. 3. The value of R square in this fitted model is A. B. C. D. E. 0.31 0.69 0.46 0.54 Additional information is needed to answer this question. 4. According to the analysis, what is the average debt level of all families who view television a total of 40 hours weekly? A. B. C. D. E. With 95 per cent confidence, it is estimated to lie between $14,500 and $15,700. With 95 per cent confidence, it is estimated to lie between $145,000 and $157,000. With 95 per cent confidence, it is estimated to lie between $139,000 and $164,000. With 95 per cent confidence, it is estimated to lie between zero (no debt) and $405,000. None of the above is correct. Statistics 102 Quiz No. 2 Monthly data were collected in a region to study the relationship between the mortgage rate and house sales. The average mortgage rate in the region (given as a percentage) and the number of housing units sold constitute the data. An analy...
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This note was uploaded on 01/16/2014 for the course STAT 102 taught by Professor Shaman during the Fall '08 term at UPenn.

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