Question: A group of stroke patients performed a maze task, to assess their cognitive functioning following the stroke. Higher scores indicate improved functioning. The maze task has a known population mean (µ) of 22. Using the data provided below, is there evidence that the performance of stroke patients differed from the general population? If so, how? (4 points)

7.50, 22.36, 13.49, 17.14, 12.70, 20.58, 14.18, 14.80, 20.50, 20.49, 20.21, 15.41, 7.79, 3.78, 9.98, 25.47, 20.99, 19.15, 22.94, 3.08, 21.83, 5.55