Determine the number of degrees of freedom for the two-sample t test or CI in each of the following situations. (Round your answers down to the nearest whole number.) (a) m = 12, n = 15, s₁ = 3.0, S₂ = 4.0 (b) m = 12, n = 21, s₁ = 3.0, S₂ = 4.0 (c) m = 12, n = 21, S₁ = 2.0, S₂ = 4.0

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9.2 3

Determine the number of degrees of freedom for the two-sample t test or CI in each of the following situations. (Round your answers down to the nearest whole number.)
(a) m = 12, n = 15, $₁
= 3.0, s = 4.0
1
(b)
m = 12, n = 21, s₁ = 3.0, s₂ = 4.0
(c) m = 12, n = 21, S₁
(d)
m = 10, n = 24, S₁
=
=
2.0, 52
= 4.0
3.0, 52-
= 4.0
Transcribed Image Text:Determine the number of degrees of freedom for the two-sample t test or CI in each of the following situations. (Round your answers down to the nearest whole number.) (a) m = 12, n = 15, $₁ = 3.0, s = 4.0 1 (b) m = 12, n = 21, s₁ = 3.0, s₂ = 4.0 (c) m = 12, n = 21, S₁ (d) m = 10, n = 24, S₁ = = 2.0, 52 = 4.0 3.0, 52- = 4.0
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