The following data are from a simple random sample (The population is infinite): Data were collected on the amount spent by 190 customers for lunch at a major Houston restaurant. Based upon past studies the population standard deviation is known with 13. Sample Mean: $21.5 If the Analysis was run as a two tailed test at 90% confidence find the value of the Margin of error (Input the absolute value for the margin of error -that is if the answer is + 3.1, input 3.1), Use 2 decimals in your answer)