Question

2.1 - For the following report about a statistical study, identify the following items (if possible). If you can’t tell, then say so – this often happens when we read about a survey. A recent survey conducted by radio station Triple J found that there was overwhelming support for drug testing at music festivals

a) The population of interest

b) The population parameter

c) The sampling frame

d) The sample

e) The sampling method, including whether or not randomisation was employed

f) Who (if anyone) was left out of the study

g) Any potential sources of bias you can detect and any problems you see in generalising to the population of interest

Answer 1

ANSWER:

a) The population of interest:

• The population of interest is adults.

b)   The population parameter:

• The population parameter is proportion who think drinking and driving is a dangerous  problem.

c) The sampling frame:

• The sample frame is Bar patrons .

(d)  The sample:

• The sample size is the every tenth person leaved the bar.

(e)The sampling method, including whether or not randomization was employed:

• The sampling method is used in the Systematic sampling method .

Due to insufficient time , i will not answer (f) and (g) .

please separate questions , i will answer it .

Thank you !