Question

Please help find the degrees of freedom

Using  s₁ = 3 and s₂ = 4,

we can compute the t value corresponding to the test statistic  x₁ − x₂ = −2. Recall that  n₁ = 49 and  n₂ = 64.

We will also need the degrees of freedom for this sample statistic, which is given by the smaller of

n₁ − 1 and n₂ − 1. Since n₁ − 1 = 48 and n₂ − 1 = 63,

find that d.f. =

Answer 1

81-3, 82-4 Sj 2 2. d. F ni-1 g + ㄩ 6 St Zt g 6 3 0.1880 6 0007 0 00Dg d117:5