Comparing Two Independent Population Proportions · Exercise 21
Researchers conducted a study to find out if there is a difference in the use of eReaders by different age groups. Randomly selected participants were divided into two age groups. In the 16- to 29-year-old group, 7% of the 628 surveyed use eReaders, while 11% of the 2,309 participants 30 years old and older use eReaders.
OpenStax, Introductory Business Statistics 2e · §10.4 Comparing Two Independent Population Proportions · Exercise 21
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