Question: . Write the hypotheses in symbolic form, determine if the test is right-tailed, left-tailed, low lead level high lead level n 1 78 n2 21

. Write the hypotheses in symbolic form, determine if the test is right-tailed, left-tailed,

low lead level high lead level

n1 78 n2 21

~ x1 92.88 x2 86.9

s1 15.34 s2 8.99

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