Homework SourseA researcher wants to perform a hypothesis test to determine
A researcher wants to perform a hypothesis test to determine whether the mean length of marriages in California differs from the mean length of marriages in Texas. Identify the variable for the proposed hypothesis test.
Difference between mean length of marriages in California and mean length of marriages in Texas
Percent of marriages ending in divorce
Length of marriage
State
| a | Difference between mean length of marriages in California and mean length of marriages in Texas | |
| b | Percent of marriages ending in divorce | |
| c | Length of marriage | |
| d | State |
Solution
The variable for the hypothesis testing is
a. difference between mean length of marriages in california and mean length of marriages in texas
let the difference between mean length of marriages in california and mean length of marriages in texas be d
Null hypothesis : H0 : d = 0
Alternate Hypothesis H1 : d not equal to 0
