Rating, time in 40-yard dash, and weight of top defensive linemen in the 1994 NFL draft

Source: R/BSDA-package.R

Data for Exercise 9.63

Nfldraf2

Format

A data frame/tibble with 47 observations on three variables

rating

rating of each player on a scale out of 10

forty

forty yard dash time (in seconds)

weight

weight of each player (in pounds)

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples


plot(rating ~ forty, data = Nfldraf2)

summary(lm(rating ~ forty, data = Nfldraf2))
#> 
#> Call:
#> lm(formula = rating ~ forty, data = Nfldraf2)
#> 
#> Residuals:
#>     Min      1Q  Median      3Q     Max 
#> -1.0476 -0.5691 -0.2625  0.5055  2.0457 
#> 
#> Coefficients:
#>             Estimate Std. Error t value Pr(>|t|)  
#> (Intercept)   9.5141     4.1838   2.274   0.0278 *
#> forty        -0.7118     0.8472  -0.840   0.4052  
#> ---
#> Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
#> 
#> Residual standard error: 0.766 on 45 degrees of freedom
#> Multiple R-squared:  0.01545,	Adjusted R-squared:  -0.006432 
#> F-statistic: 0.706 on 1 and 45 DF,  p-value: 0.4052
#>