The numbers of advertisements seen or heard in one week for 30 randomly selected people in the United States
are listed below. Construct a 95% confidence interval for the true mean number of advertisements. Assume
that $\sigma$ is 159.5. $$\begin{array} { l l l l l l l l l l }
598 & 494 & 441 & 595 & 728 & 690 & 684 & 486 & 735 & 808 \\
481 & 298 & 135 & 846 & 764 & 317 & 649 & 732 & 582 & 677 \\
734 & 588 & 590 & 540 & 673 & 727 & 545 & 486 & 702 & 703
\end{array}$$

Question

The numbers of advertisements seen or heard in one week for 30 randomly selected people in the United States
are listed below. Construct a 95% confidence interval for the true mean number of advertisements. Assume
that $\sigma$ is 159.5. $$\begin{array} { l l l l l l l l l l } 
598 & 494 & 441 & 595 & 728 & 690 & 684 & 486 & 735 & 808 \\
481 & 298 & 135 & 846 & 764 & 317 & 649 & 732 & 582 & 677 \\
734 & 588 & 590 & 540 & 673 & 727 & 545 & 486 & 702 & 703
\end{array}$$

Quizplus · Accepted Answer

The Answer of The numbers of advertisements seen or heard in one week for 30 randomly selected people in the United States
are listed below. Construct a 95% confidence interval for the true mean number of advertisements. Assume
that $\sigma$ is 159.5. $$\begin{array} { l l l l l l l l l l } 
598 & 494 & 441 & 595 & 728 & 690 & 684 & 486 & 735 & 808 \\
481 & 298 & 135 & 846 & 764 & 317 & 649 & 732 & 582 & 677 \\
734 & 588 & 590 & 540 & 673 & 727 & 545 & 486 & 702 & 703
\end{array}$$

The Numbers of Advertisements Seen or Heard in One Week σ\sigmaσ

The Numbers of Advertisements Seen or Heard in One Week $\sigma$