Answer:
The morning and evening body temperature measurements are paired.
Explanation:
We are given the following information in the question:
A sample of 40 indoor cats is obtained. Each cat's body temperature measured in the morning and again in the evening.
Paired or dependent Variables:
- This means that there are same participants more than once in a test.
- They are also known as related groups.
- Dependent variable are related groups where two groups are referred to groups of participants that are measured at two different points of time or under two different condition.
- There is only one group of variables, but there are two conditions associated or time interval.
- In this case the group of participants is the group of 40 cats and their body temperature are measure in two different time, morning and evening.
- Thus, the morning and evening body temperature measurements are paired.