Question: Is there a relation between the age difference betweenhusband/wives and the percent of a country that isliterate? Researchers found theleast-squares regression between age difference(husband age

Is there a relation between the age difference betweenhusband/wives and the percent of a country that isliterate? Researchers found theleast-squares regression between age difference(husband age minus wifeage), y, and literacy rate(percent of the population that isliterate), x, is y=-0.0455x+7.9. The model applied for 16x100.

Interpret the slope.

For every unit increase in literacy rate (or age difference), the age difference (or literacy rate) falls by ___ units, on average.

How do I calculate for the units, what are the steps?

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