To determine whether there is an attendance rate drop of anational conference this year (consider as 1) than last year(consider as 2), a sample of 400 people this year and a sample of400 people last year were selected. Given α=0.01. The data aresummarized below:
This Year Last Year Difference
Attending359Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 378Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -19
Not Attending41Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 22Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 19
Total number400Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 400 400
(c) Is there sufficient evidence to indicate that there is anattendance rate drop of a national conference this year (consideras 1) than last year (consider as 2)?
Group of answer choices
No
Yes