The Speed Vehicles Traveled on a Local Road Was Recorded

Here are some summary statistics for all of the runners in a local 12 kilometre race: slowest minutes, minutes, minutes, minutes, standard minutes.Suppose last year's race results were better by 8%.Find last year's mean and standard deviation.Express your answer in exact decimals. A)Mean: 6.32 minutes,SD: 0.88 minutes B)Mean: 85.32 minutes,SD: 11 minutes C)Mean: 85.32 minutes,SD: 11.88 minutes D)Mean: 72.68 minutes,SD: 10.12 minutes E)Mean: 72.68 minutes,SD: 11 minutes

The free throw percentages for the participants of a basketball tournament were compiled.The percents ranged from 40% to 96% with a mean of 53% and a standard deviation of 8%.The quartiles and median percentages were 50%,84%,and 53%.This year's tournament percentages are 3% higher than last year's tournament percentages.Find last year's tournament mean,median,and standard deviation of the free throw percentages. A)Mean: 56%,median: 56%,SD: 11% B)Mean: 53%,median: 56%,SD: 11% C)Mean: 51.5%,median: 53%,SD: 7.8% D)Mean: 51.5%,median: 54.4%,SD: 7.8% E)Mean: 50%,median: 50%,SD: 5%