Miss Vietnam: taller but thinner

The 2020 Vietnam’s beauty contest has concluded, and Miss Đỗ Thị Hà has been crowned Miss Vietnam 2020 [1]. The 19 yr old girl stands at a proud 175 cm tall, but her weight was only 55 kg. She and her fellow beauty contestants are classified as ‘underweight’.

I have over the years collected data pertaining to basic anthropometric parameters of Miss Vietnam titleholders. The data show that their height has increased over time. For instance, in 1988 (the first year of beauty contest in unified Vietnam) the winner was only 157 cm tall, but this had quickly increased to ~170 cm…