A survey was recently conducted in which males and females were asked whether they owned a laptop personal computer. The following data were observed:
|
Males |
Females |
| Have Laptop |
120 |
70 |
| Not Have |
50 |
60 |
Given this information, if an alpha level of .05 is used, the sum of the expected cell frequencies will be equal to the sum of the observed cell frequencies. True/FalseGiven this information, if having a laptop is independent of gender, the expected number of males with laptops in this survey is 150. True/False
Given this information, if an alpha level of .05 is used, the critical value for testing whether the two variables are independent is x2 = 3.8415. True/False
Given this information, if an alpha level of .05 is used, the test statistic for determining whether having a laptop is independent of gender is approximately 14.23. True/False