You want to know if Apple and Android phone users use differentmobile apps for social networking. You collect the followingdata.
| Apple | Android |
Facebook | 112 | 64 |
Snapchat | 29 | 89 |
Instagram | 78 | 103 |
The null hypothesis for this chi-square test would be?
How many degrees of freedom are there for this chi-squaretest?
What is the expected value of Apple Snapchat users?
What is the expected value of Android Instagram users?
Calculate the chi-square. Which is the appropriate descriptionof the result?
Group of answer choices
1. The result is significant. This suggests that the twovariables are not independent.
2. The result is significant. This suggests that the twovariables are independent.
3. The result is non-significant. This suggests that the twovariables are independent.
4. This result is non-significant. This suggests that the twovariables are not independent.
