6 Which of the following statements describes a population p

6. Which of the following statements describes a population parameter?
a) In a sample of 95 registered voters, 47 said that they approve the current foreign affairs policies.
b) The average age of all flight attendants who work in Wing Airlines is 24 years.
c) In a recent survey of American adults, 65% of women respondents said their gender faced at least some discrimination in society.
d) Amy lost a total of 6 pounds last month.

Solution

b) The average age of all flight attendants who work in Wing Airlines is 24 years

is the population parameter.

Others refer to sample readings and hence they are statistic and not parameter