Question

A historian wants to estimate the average age at marriage of men in a region in the early 19th century. Within her state's archives, she finds marriage records for the years 1800-1820, which she treats as a sample of all marriage records from the early 19th century. The average age of the men in the records is 29.6 years. Using the appropriate statistical method, she estimates that the average age of grcoms in the region in the early 19th century was between 29.3 and 29.9 years. a. Which part of this example glves a descrlptve summary of the data? b. Which part of this example draws an inference about a population? c. To what population does the inference in part b refer? d. The average age ot the sample was 29.6 years. Is 29.6 a statistic or a parameter? a. Which part of this example glves a descriptive summary of the data? O A. The marriage records for the years 1800-1820 O B. The interval of ages between 29.3 and 29.9 years O C. The average age 28.6 years D. The number of men in the region in the early 19th century b. Which part of this exarmple draws an inference about a populalion? O A. The interval of ages between 29.3 and 29.9 years O B. The average age 29.6 years O c. The number of men in the region in the early 19th century O D. The marriage records for the years 1800-1820
D's coices: Parameter or Statistic

Answer 1

a) C. The average age 29.6 years

b) A. The interval of ages between 29.3 and 29.9 years

c) B. The men in the region in the early 19th century

d) Statistic

(because the value 29.6 is concerning the sample, its a statistic)