Question: A group of neighborhood parents believe cars are traveling to fast in their neighborhood the posted speed is 25mph. They randomly sampled 40 cars over 2 days

25, 30, 25, 23, 35, 24, 27, 25, 22, 25, 32, 24, 25, 21, 25, 23, 23, 25, 27, 26, 22, 36, 23, 33, 25, 32, 25, 29, 25, 24, 27, 25, 27, 24, 28, 25, 25, 25, 23, 25

(Sum = 1040)

Obtain point estimates for the pop mean and standard deviation.

Based on data above the parents can be 90% confident that the actual auto speed is between _____ and _____