1. Using the variable “sleptim1” and “marital” determine the
following:
- 1.1 Number of observations that are “NA” in the variable
“sleptim1”;
# A tibble: 1 × 2
sleptim1 n
<int> <int>
1 NA 7387
- 1.2 Number of observations having at most 5 hours of sleep;
[1] 52498
# A tibble: 2 × 2
sleepnew count
<chr> <int>
1 at most 5 hours of sleep 52498
2 more than 5 hours of sleep 431890
- 1.3 Number of observations having more than 5 hours of sleep but
less than 11 hours of sleep;
[1] 425670
# A tibble: 3 × 2
sleepnew count
<chr> <int>
1 at least 11 hours of sleep 6220
2 at most 5 hours of sleep 52498
3 more than 5 hours but less than 11 hours of sleep 425670
- 1.4 Number of observations having at least 11 hours of sleep;
[1] 6220
# A tibble: 2 × 2
sleepnew count
<chr> <int>
1 at least 11 hours of sleep 6220
2 less than 11 hours of sleep 478168
- 1.5 Number of observations having at most 5 hours of sleep that are
married.
[1] 21417