Male and female populations of humpback whales under 80

Last updated: 6/14/2023

Male and female populations of humpback whales under 80 years old are represented by age in the table below Complete parts a through d Age 0 9 10 19 20 29 30 39 40 49 50 59 60 69 70 79 Males 9 13 18 15 25 23 17 12 Females 6 8 13 18 21 21 16 12 a Approximate the population mean and standard deviation of age for males 42 50 years Round to two decimal places as needed o 20 20 years Round to two decimal places as needed b Approximate the population mean and standard deviation of age for females years Round to two decimal places as needed