write me in paragraph:The t-values of 1.27, 0.93, and 0.82 are relatively low, suggesting that the sample means associated with these values are not significantly different from their respective population means. This implies that for these groups, the null hypothesis - that there is no significant difference between the sample mean and the population mean - cannot be rejected. On the other hand, the t-value of 7.13 is quite high, indicating a significant departure from the null hypothesis