Title: Nintendo Sony would like to test the hypothesis that a difference exists in the average age of users ...
Post by: anushaz06 on Dec 30, 2021
Nintendo Sony would like to test the hypothesis that a difference exists in the average age of users of a Wii, a PlayStation, or an Xbox console game. The following data represent the age of a random sample of Wii, PlayStation, and Xbox users.
The grand mean for these observations is ________.
▸ 30.0
▸ 30.9
▸ 31.3
▸ 31.8
The grand mean for these observations is ________.
▸ 30.0
▸ 30.9
▸ 31.3
▸ 31.8
Title: Nintendo Sony would like to test the hypothesis that a difference exists in the average age of users ...
Post by: sleinhi on Dec 30, 2021
Content hidden