Use the table below to answer the following questions (include all calculations and statistically significant response/explanations)

1. For the following data, calculate the t-value.
2. Next, calculate the degrees of freedom.
3. Lastly, answer this question: Based on your calculated t-value and the critical t-value using = 0.05, determine if the two groups are significantly different. Please explain your rationale.

Group	Mean	Sample Variance	Sample size
1	10	4	8
2	5	4	8