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n=25 sample mean = 19 s=3 a...

n=25

sample mean = 19

s=3 a (this is the sign of a fish and I think it means the level of confidence) =0.005

H1: µ>18

The standardized test statistic t is... Round to 3 decimal places.

Can you please show me the calculation? Thank you!

sample mean = 19

s=3 a (this is the sign of a fish and I think it means the level of confidence) =0.005

H1: µ>18

The standardized test statistic t is... Round to 3 decimal places.

Can you please show me the calculation? Thank you!

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