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A survey of property owners' opinions about a street-widening project was taken to determine if owners' opinions were related to the distance between their home and the street. A randomly selected sample of 100 property owners was contacted and the results are shown next. What is the expected frequency for people against the project and who have over 120 feet of property foot-frontage?
Population Mean
The population mean is the average value of a population attribute, computed by summing all the values in the population and dividing by the total number of values.
Sample Proportion
The ratio of members in a sample that have a particular characteristic to the total number of members in the sample.
Standard Error
The standard deviation of the sampling distribution of a statistic, especially of the mean.
Sample Mean
The average value calculated from a sample of observations from a larger population.
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