Many people now turn to the Internet to get information on

Last updated: 12/18/2023

Many people now turn to the Internet to get information on health related topics A research article used Flesch reading ease scores a measure of reading difficulty based on factors such as sentence length and number of syllables in the words used to score pages on Wikipedia and on WebMD Higher Flesch scores correspond to more difficult reading levels The paper reported that for a representative sample of health related pages on Wikipedia the mean Flesch score was 26 6 and the standard deviation of the Flesch scores was 14 7 For a representative sample of pages from WebMD the mean score was 43 6 and the standard deviation was 19 6 Suppose that these means and standard deviations were based on samples of 40 pages from each site Is there convincing evidence that the mean reading level for health related pages differs for Wikipedia and WebMD Test the relevant hypotheses using a significance level of a 0 05 Use for Wikipedia and for WebMD State the appropriate null and alternative hypotheses Enter for as needed 12 Ho USE SALT H H1 H2 X The form of your answer may be incorrect Possible forms might include Find the test statistic Round your answer to two decimal places 4 5 X Use technology to find the P value Round your answer to four decimal places P value 0 MY NOTES State the conclusion in the problem context We reject Ho There is not convincing evidence that the mean reading level for health related pages differs for Wikipedia and WebMD There is convincing evidence that the mean reading level for health related pages differs for Wikipedia and WebMD PRACTICE ANOTHER