An employer compared the average salaries of their employees over the past two years. They found that the average salary had increased by $3,000 from $40,000 to $43,000, which corresponded to a p-value of 0.21. What should we conclude about their findings?
1) The results were statistically significant but not practically significant.
2) The results were practically significant but not statistically significant.
3) The results were both statistically significant and practically significant.
4) The results were neither statistically significant nor practically significant.