The Kentucky Derby is held the first Saturday in May at Churchill Downs in Louis

Question

The Kentucky Derby is held the first Saturday in May at Churchill Downs in Louisville, Kentucky. The race track is one and one-quarter miles. The following table shows the winners since 1990, their margin of victory, the winning time, and the payoff on a $2 bet. Determine the mean and median for the variables winning time and payoff on a $2 bet. (Round your winning time mean and median to 4 decimal places and Payoff answers to 2 decimal places Determine the range and standard deviation of the variables winning time and payoff on a $2 bet. (Round your winning time range and standard deviation to 4 decimal places and Payoff answers to 2 decimal places.)

Explanation / Answer

Rcode:

> x<-c(2.05996,2.03700,2.01789,2.03305,2.04585,2.05929,2.00436,2.07361,2.00409,2.02294,2.02887,2.01765,2.05908,2.00545,1.99902,2.03674,2.00633,2.04309,2.04533,2.07210,2.06084,2.03757,2.01675,2.05451)
> y<-c(12.10,5.90,7.70,9.80,52.00,5.70,4.80,8.50,4.50,30.50,53.80,4.90,12.30,10.30,7.70,8.80,117.10,118.90,21.50,21.80,29.60,44.00,31.80,10.60)
> round(mean(x),2)
[1] 2.04
> round(median(x),2)
[1] 2.04
> round(mean(y),2)
[1] 26.44
> round(median(y),2)
[1] 11.35
> round(range(x),2)
[1] 2.00 2.07
> round(sd(x),2)
[1] 0.02
> round(range(y),2)
[1] 4.5 118.9
> round(sd(y),2)
[1] 31.88

Answer:

Mean:2.04,26.44

Median:2.04,11.35

Range:(2.00,2.07),(4.5,118.9)

SD:0.02,31.88

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.