Pew Research Reports That 63% of the U

question 47

Essay

Pew Research reports that 63% of the U.S. adult cell phone owners use their phone to go online. A company wants to target 16- to 24-year olds for advertising and they wonder if that age group has a similar pattern of phone use.
-Explain what 95% confidence means in this context.

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Definitions:

Major Defects

Significant flaws or imperfections in a product or system that can affect its functionality or performance adversely.

P-Value

P-Value is a statistical measure indicating the probability of obtaining test results at least as extreme as the results actually observed, assuming that the null hypothesis is true.

Extrasensory Perception

A claimed ability to gain information through means other than the known human senses.

Large-Sample Z

A statistical method used for hypothesis testing and confidence interval estimation, appropriate when the sample size is large, typically using the Z-distribution.