A survey was conducted to determine the average loss in home value in a certain community. A random sample of 23 homes found a mean of $12130 with a standard deviation of $1400. Assume the necessary assumptions are met. a) Calculate a 98% confidence interval for the population mean loss in home value: Type of interval: [Select] We are 98% confident that the average loss in home value is between [Select] and [Select] dollars. b) What is the margin of error?: [Select]