CNN money reports that the main cost of a speeding ticket includes court fees was $150 in 20 in 2002 a local police department claims that this amount is increased to test their claim they collected data from a simple random sample of 160 drivers who had been fined for speeding in the last year and the app and find that they paid it mean of $154 per ticket assuming that the population standard deviation is $17.54 is there significant evidence to support the police departments clean at the 0.01 level of significance looking for the hypothesis and the alternative hypothesis the T statistic the critical value the P value and the conclusion