Please use the zero before the period of numbers with decimals. For instace: 0.0

Question

Please use the zero before the period of numbers with decimals. For instace: 0.05 would be the correct format to use while.05 would not. Moreover, questions within the same homework might require different rounding. Please carefully read the instructions within each question to make the correct decision 1 pts D Question 7 Independent random samples from approximately normal populations produced the results below: -sample 1: n=15, mean = 43.600, standard deviation 4.475 -sample 2:n= 16, mean = 53.625, standard deviation: 5.592 The 98% confidence interval for the difference in the means ( 2- 1) is approximately (-10.025) ± 4.817 True O False Next Previous Quiz saved at 10:47pm Submit Quiz

Explanation / Answer

Sol:

n1+n2-2=15+16-2=29

alpha=0.02

alpha/2=0.02/2=0.01

t crit=2.462

98% confidence interval for diff in means (SAMPLE2-SAMPLE1)

=(53.625-43.600)+-2.462(sqrt(4.475^2/15+5.592^2/16)

=10.025+-4.465

ANSWER

FALSE

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