The average score for the National Examination for the highschool level is 78, with the distribution of scores following anormal distribution. A random sample of 23 Hawkins High Schoolstudents had a mean score of 81 with a standard deviation of 21. Atthe 0.05 level of significance, if the Hawkins School wanted toknow whether there was sufficient evidence to conclude that HawkinsHigh School students scored higher than the average the nationalaverage, determine:
a) Determine the hypothesis!b) Determine the basis for the decision!c) Is there sufficient evidence to conclude that Hawkins Highstudents score higher than the national average?d) Complete the following pictures based on the information you getfrom this case.
The Average Score For The National Examination For The High School Level Is 78 With The Distribution Of Scores Followin 1 (14.21 KiB) Viewed 46 times
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