Assess the impact of the program statistically (use a two-sided test)? Dentistry In a study, 28 adults
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Assess the impact of the program statistically (use a two-sided test)?
Dentistry
In a study, 28 adults with mild periodontal disease are assessed before and 6 months after implementation of a dental-education program intended to promote better oral hygiene. After 6 months, periodontal status improved in 15 patients, declined in 8, and remained the same in 5.
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We use the sign test We have C 15 n 158 23 We use the normal theor...View the full answer
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