Mathematical assessment scores for 36 students enrolled in a biostatistics course according to whether or not the students had successfully completed a calculus course prior to enrolling in the biostatistics course

Format

A data frame with 18 observations on the following 2 variables:

No.Calculus

assessment score for students with no prior calculus

Yes.Calculus

assessment score for students with prior calculus

Source

Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.

Examples

with(data = Calculus, z.test(x = Yes.Calculus, y = No.Calculus, sigma.x = 5, sigma.y = 12)$conf )
#> [1] 18.32775 30.33892 #> attr(,"conf.level") #> [1] 0.95