Researchers from a certain country were interested in how characteristics of Uie spI environment compare to those found elsewhere in the world. The researchers randomly sampled 92 males and 108 females in their country. The mean and standard deviation of the spleen lengths for the males were 11.3 cm and 0.8 c respectively, and those for the females were 10.1 cm and 0.9 cm, respectively. Determine a 90% confidence interval fo the difference between mean spleen lengths of males and females in this country. Click here to view page 1 of the table of critical values of t. Click here to view page 2 of the table of critical values of t. Let population 1 be all males in the country and let population 2 be all females in the country. The 90% confidence interval foru,- is ).

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