Mathematics, 09.11.2019 01:31 macybarham

In order to test whether the average waiting time this year differs from last year, a sample of 25 data were collected this year with a mean of 0.74 hours and standard deviation 0.22 hours. the 99% confidence interval for banking service this year has a wider range than 95% confidence interval for banking service this year.

a. false
b. true

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In order to test whether the average waiting time this year differs from last year, a sample of 25 d...