The Numbers of Advertisements Seen or Heard in One Week

question 68

Short Answer

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. $$\begin{array} { l l l l l l l l l l } 598 & 494 & 441 & 595 & 728 & 690 & 684 & 486 & 735 & 808 \\\\481 & 298 & 135 & 846 & 764 & 317 & 649 & 732 & 582 & 677 \\\\734 & 588 & 590 & 540 & 673 & 727 & 545 & 486 & 702 & 703\end{array}$$

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Definitions:

Bundle of His

A collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the atrioventricular node to the ventricles of the heart.

Electrocardiogram

A test that measures the electrical activity of the heart to detect heart problems and monitor heart health.

Electrical Activity

Electrical activity refers to the movement of electrically charged particles, such as electrons, which is a fundamental process within various systems including the human body's nervous and cardiac systems.

Leads

In medical context, wires or electrodes used in various diagnostic machines to detect and record electrical activity, such as in an electrocardiogram (EKG).