Walking Speed The relation between the average walking speed and city size for 36 se...

Walking Speed The relation between the average walking speed and city size for 36 selected cities of population less than 1,000,000 has been modeled as

where p is the population of the city. (Source: Based on data in Bornstein. International Journal of Psychology.1979.)

a. What is the average walking speed in a city with a population of 1,000,000?

b. Does a city with a population of 1000 have a faster or slower average walking speed than a city with a population of 100,000?

c. Give possible reasons for the results of the walking speed research.