Practice 2

D sales will increase between about 1850 and 2955

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Unformatted text preview: l increase between about 1,850 and 2,955 units, with 95 per cent confidence. E. There will be no significant change in the number of units sold in the region. 2. The output shown indicates that the fitted model A. Fails to explains 64 per cent of the variation in the number of units sold in the region. B. Explains approximately 56 per cent of the variation in the number of units sold in the region. C. Explains approximately 36 per cent of the variation in average mortgage rates in the region over the 36-month period. D. Fails to explain approximately 36 per cent of the variation in average mortgage rates in the region over the 36-month period. E. Has failed to take proper account of evident autocorrelation. 3. If the two marked points are removed, how will the intercept and slope change? A. B. C. D. E. Additional information is needed to answer this question. Both the intercept and the slope will increase. Both the inte...
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