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#37224

average

statistics

data analysis

hard

90 sec

A city planner wants to estimate the total population of a new residential zone that spans 320 city blocks. The planner randomly selects 5 city blocks and counts the number of residents in each. The resident counts from the sample blocks are 210, 235, 190, 220, and 245. Based on the mean of the sample, what is the best estimate for the total population of the residential zone?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.