Data for Exercise 1.122
Rentals
A data frame/tibble with 45 observations on one variable
weekly apartment rental price (in dollars)
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
stem(Rentals$rent)
#>
#> The decimal point is 2 digit(s) to the right of the |
#>
#> 0 | 6778888999
#> 1 | 00013333344
#> 1 | 555667889
#> 2 | 1344
#> 2 | 579
#> 3 | 00114
#> 3 | 5
#> 4 | 3
#> 4 | 9
#>
sum(Rentals$rent < mean(Rentals$rent) - 3*sd(Rentals$rent) |
Rentals$rent > mean(Rentals$rent) + 3*sd(Rentals$rent))
#> [1] 1