Question

1. In a survey, 1465 internet users chose to respond to this question posted on a newspaper’s electronic edition: Is news online as satisfying as print and TV news? 52% of the respondents said yes.

(a) Determine whether the study is an experimental or an observational study.

(b) Identify the sample and the population.

(c) Is the value 52% a statistic or a parameter?

(d) Identify a major problem with the study.

2. A store manager kept track of the number of newspapers sold each week over a seven-week period.

The results were as follows: 81 71 202 113 269 248 242

Find the 5-number summary for the data. Is the data discrete or continuous?

Answer 1