Question

The Pew Research Center conducted a survey between November 26, 2014 and January 3, 2015 about privacy strategies.1 In a random sample of 413 U.S. adults that were aware of government surveillance programs, 74 said they have changed their use of email accounts after becoming aware of government surveillance programs. Results are based on telephone interviews with randomly selected U.S. adults, aged 18 and older.

Describe the population of interest in words.

Describe the parameter of interest in words.

Describe the sample in words.

Give the value of the sample statistic

Answer 1

1)Population of interest is the group about whom the researcher wants to know more and from whom a sample is drawn here in this case is the US adults who were aware of gov.survellience program.

2) Parameter of interest is what your data is focussed on here the US adults who are 18 years and older aware of privacy issue.

3) A sample is a small part of anything ,intended to show quality ,style or nature of the whole population.

4) A sample statistics formula allows to compute a no. from the sample with the purpose of finding inference about the population .Here a sample of 413 US adults were interviewed the statistics is the proportion p^ of the sample of 413 US adults.The value of sample statistics =74/413