Durations of operation for 15 artificial heart transplants

Data for Exercise 1.107

Artifici

Format

A data frame/tibble with 15 observations on one variable

duration

duration (in hours) for transplant

References

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

Examples

stem(Artifici$duration, 2)
#> 
#>   The decimal point is at the |
#> 
#>   1 | 8
#>   2 | 1345568
#>   3 | 01158
#>   4 | 
#>   5 | 
#>   6 | 5
#>   7 | 0
#> 
summary(Artifici$duration)
#>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
#>   1.800   2.450   2.800   3.267   3.300   7.000 
values <- Artifici$duration[Artifici$duration < 6.5]
values
#>  [1] 3.5 3.8 3.1 2.8 2.5 2.6 2.4 2.1 1.8 2.3 3.1 3.0 2.5
summary(values)
#>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
#>   1.800   2.400   2.600   2.731   3.100   3.800