Can you help me find the solution please? Stuck.

Your company is evaluating two cloud-based secured data storage services. \"Great Sky," the newer service, claims its uploading and downloading speeds are faster than the older service, \"Clear and Steady Skies." You need to make a decision based on published access times for both services at different times and for varying file sizes. To make your decision, you purchase two statistical studies from which you discover the average download time for Great Sky is 0.42 sec. per MB and for Clear Steady Skies is 0.35. Additionally, the studies indicate the following sample information: r155 : \"(35 : 50, 555 : 0.2 and 5055 : 0.3. Use c: = .05, and the ve step hypothesis testing procedure to make the appropriate decision. Hint 5* L+i The test statistic is given by "l "2 follows a tedistribution 52: {HI-1)*Sl+(n2-1)*S where 1'11 + 1'12 _ 2 is the pooled variance