Question: Temperatures and Marathons: In “The Effects of Temperatures on Marathons Runner’s Performance,” By David Martin and John Buoncristiani (Chance, Vol. 12, No. 4), high temperatures and times (in minutes) were given for women who won the New York City marathon in recent years. The results are listed below. Is there a correlation between temperatures and winning time? Does it appear that winning times are affected by temperatures?

x temps. per day 55 61 49 62 70 73 51 57

y Times 145.283 148.717 148.300 148.100 147.617 146.400 144.667 147.533