- 1 (16.57 KiB) Viewed 89 times
Test statistic?
P-value?
Conclusion?
Interpretation?
Х Daily snaps 21 7 15 27 13 17 31 22 1933 30 7 8 22 33 19 13 O 21 28 16
According to the financial reports by Snapchat, the average daily user of Snapchat created 19 messages, or "snaps," per day in Q3 2017. A college student wants to find out if the number of Snapchat messages has changed since Q3 2017 and creates a random sample using information from students on her campus for the current semester, with the accompanying results. Complete parts a through c. Click the icon to view the daily snaps data. ..... a. Using a = 0.05, test the hypothesis that the number of Snapchats sent by the average Snapchat user has not changed since Q3 2017. Determine the null and alternative hypotheses. Họ: H = 19 H:H 19 (Type integers or decimals. Do not round.) Determine the appropriate critical value. Select the correct choice below and fill in the answer box within your choice. (Round to three decimal places as needed.) OA. ta = O B. -ta OC. ta/2=