41 people with dementia, the mean age at diagnosis was 52.1 years with a standard deviation of s = 6.4 years.?
b) Interpret of your interval in the context of this situation.
b) Interpret of your interval in the context of this situation
C)How large a sample would be needed to estimate the mean age at diagnosis of people
with early-onset dementia μ so that the margin of error of 2 with 90% confidence?