In order to estimate the average number of pets per household in a city, Jamie surveyed 30 households at a local pet store. The average number of pets per surveyed household was 1.8. Which of the following statements is most accurate?
The average number of pets per household in the city is 1.8.
The sample size is definitely too small to estimate the mean number of pets.
The survey method is likely biased and may not give an accurate estimate of the mean number of pets per household.
This sample will always provide an unbiased estimate for the city's average.
