Your Company Is Evaluating Two Cloud-Based, Secured Data Storage Services $\sigma$

Multiple Choice

Your company is evaluating two cloud-based, secured data storage services. "Pie in the Sky," the newer service, claims its uploading and downloading speeds are faster than the older service, "Cloudy but Steady Skies." You need to make a decision based on published access times for both services at different times and for varying file sizes. Your alternative hypothesis is ___.

A) $\sigma$ ₁² < $\sigma$ ₂²
B) $\mu$ ₁ - $\mu$ ₂ < 0
C) π₁ - π₂ = 0
D) $\mu$ ₁ - $\mu$ ₂ = 0
E) s₁ - s₂ = 0