2. Nick finished in 51st place among the men, with a time of 20.9 minutes. Adriana finished 33rd among the

women, with a time of 25.2 minutes. Use z-scores to compare Nick's and Adriana's relative standing among

men and women, respectively. Make sure to explain what the scores mean relative to other participants.

(3 marks)

3. Suppose the timers of the race discovered that they accidently started the clock 15 second before the race

actually started, so that each racer's finish time should be 15 seconds less. Describe the impact this would

have on the: (2 marks)

a. mean

b. standard deviation

IA ? 1588188262-Test... H 4 /7 Use the following information for question 2 and 3 Ninety-eight women and 225 men participated in a five kilometer road race. Below are summary statistics from Minitab on their times in the race. Descriptive Statistics: Women, Men Variable N Mean StDev Minimum Q1 Median Q3 Maximum Women 98 28.891 6.481 17.717 24.229 26.917 32.525 48.800 Men 225 24.758 5.026 15.050 21.117 24.050 27.608 48.417 2. Nick finished in 51st place among the men, with a time of 20.9 minutes. Adriana finished 33d among the women, with a time of 25.2 minutes. Use z-scores to compare Nick's and Adriana's relative standing among men and women, respectively. Make sure to explain what the scores mean relative to other participants (3 marks) 3. Suppose the timers of the race discovered that they accidently started the clock 15 second before the race actually started, so that each racer's finish time should be 15 seconds less. Describe the impact this would have on the: (2 marks) a. mean b. standard deviation