When the tissue around teeth becomes inflamed the tissue

Last updated: 12/18/2023

When the tissue around teeth becomes inflamed the tissue bleeds more easily and this is an indication of gum disease The severity of bleeding can be measured by a bleeding score that is determined by the percentage of teeth for which bleeding occurs when the tissue surrounding the tooth is probed In terms of dental health lower bleeding scores are better than higher bleeding scores The authors of a paper wondered if the nutrients found in kiwis might reduce bleeding To investigate 25 adult participants agreed to consume 2 kiwis a day for a period of 2 months A bleeding score was recorded for each participant at the beginning of the study period and again after 2 months of kiwi consumption Because this resulted in paired samples differences in bleeding scores before after were analyzed It was reported that the sample mean difference was x 6 63 and the standard deviation of the differences was s 11 10 Assuming that the 25 study participants can be considered as representative of the population of adults is there convincing evidence that the mean bleeding score is lower after 2 months of kiwi consumption Test the relevant hypotheses using a significance level of 0 01 Use for before kiwi consumption for after kiwi consumption and d USE SALT State the appropriate null and alternative hypotheses in minutes Enter for as needed Ho Find the test statistic Round your answer to two decimal places Use technology to find the P value Round your answer to four decimal places P value State the conclusion in the problem context Reject Ho We have convincing evidence that the mean bleeding score is lower after 2 months of kiwi consumption MY NOTES Fail to reject Ho We do not have convincing evidence that the mean bleeding score is lower after 2 months of kiwi consumption Fail to reject Ho We have convincing evidence that the mean bleeding score is lower after 2 months of kiwi consumption