MAT 232 Exam III Fully Solved Solution Graded A+

A newspaper provided a "snapshot" illustrating poll results from 1910 professionals who interview job applicants. The illustration showed that 26% of them said the biggest interview turnoff is that the applicant did not make an effort to learn about the job or the company. The margin of error was given as plus or minus 3 percentage points. What important feature of the poll was omitted? a. The confidence level b. The point estimate c. The sample size d. The confidence interval a. the confidence level (In this poll, the sample size is given as 1910 professionals, the point estimate is given as 26%, and the confidence interval is given as plus or minus 3 percentage points around the point estimate. However, the confidence level is not provided. It is often 95%, but media reports often neglect to identify it.) A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie. Among the 500 respondents, 12% chose chocolate pie, and the margin of error was given as plus or minus5 percentage points. Describe what is meant by the statement that "the margin of error was given as plus or minus5 percentage points."