Twelve subjects with diagnosed hypertension were randomly selected for this study. The age at which they were diagnosed were recorded and listed below. Based on the data, is there any evidence that...

Twelve subjects with diagnosed hypertension were randomly selected for this study. The age at which they were diagnosed were recorded and listed below. Based on the data, is there any evidence that the age at diagnosis is not equal to 45.0 years?

Extracted text: No. Age at Diagnosis Hypertension 1 32.8 2 40.0 3 41.0 4 42.0 5 45.5 47.0 7 48.5 8 50.0 9. 51.0 10 52.0 11 54.0 12 59.2