A simple random sample of size n < 30 for a quantitative variable has been obtained. Using the normal probability plot, the
correlation between the variable and expected z-score, and the boxplot, judge whether a t-interval should be constructed.
n = 14; Correlation = 0.956
Expected z-Score
70
80
90
100
110
120
70
80
90
100
110
120
NO
Yes

Which is an accurate comparison of the two data sets? the commute to work is typically shorter and more consistent than the commute home. the commute to work is typically shorter but less consistent than the commute home. the commute to work is typically longer and less consistent than the commute home. the commute to work is typically longer but more consistent than the commute home.