(a) Test whether μ₁ μ2 at the α = 0.05 level of significance for the given sample data (see Table 13). Table 13: Sample Statistics for population 1 and population 2 Population 1 Population 2 Sample Size Sample Mean " = 15 x=15.3 n2=15 x2 = 14.2 Sample St. Dev | s₁ =3.2 $2=3.5 (b) Contruct a 95% confidence interval about μ₁ μ2.

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(a) Test whether μ₁ μ2 at the α = 0.05 level of significance for the given sample data (see Table
13).
Table 13: Sample Statistics for population 1 and population 2
Population 1 Population 2
Sample Size
Sample Mean
" = 15
x=15.3
n2=15
x2 = 14.2
Sample St. Dev | s₁ =3.2
$2=3.5
(b) Contruct a 95% confidence interval about μ₁ μ2.
Transcribed Image Text:(a) Test whether μ₁ μ2 at the α = 0.05 level of significance for the given sample data (see Table 13). Table 13: Sample Statistics for population 1 and population 2 Population 1 Population 2 Sample Size Sample Mean " = 15 x=15.3 n2=15 x2 = 14.2 Sample St. Dev | s₁ =3.2 $2=3.5 (b) Contruct a 95% confidence interval about μ₁ μ2.
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