Answer:
There were total 4 samples collected and each sample had a sample size of n = 100.
Step-by-step explanation:
We are given the following information in the question:
Collection of samples:
[tex]1^{st}\text{ sample was done in January with a sample size n = 100}[/tex]
[tex]2^{nd}\text{ sample was done in March with a sample size n = 100}[/tex]
[tex]3^{rd}\text{ sample was done in June with a sample size n = 100}[/tex]
[tex]4^{th}\text{ sample was done in September with a sample size n = 100}[/tex]
Hence, there were total 4 samples collected and each sample had a sample size of n = 100.
