Male and female populations of
humpback whaleshumpback whales
under 80 years old are represented by age in the table below.Complete parts​ (a) through​ (d).
Age. Males. Females
​0-9 (13). (10)
​10-19 (11) (10)
​20-29 (18) (16)
​30-39 (18) (16)
​40-49 (25) (23)
​50-59 (22) (25)
​60-69 (19) (15)
​70-79 (14) (12)
Find the population mean and standard deviation of age for malesand females.
