Multiple Choice Question The pooled variance formula is
s_(p)^(2)=((al-1):21(n2-1):22)/(-1 n^(2)-2)
, When do we use pooled variance in a two sample test of means? Any time the samples have different standard deviations. When the population variances are unknown. When we think the two populations have equal variance.

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Multiple Choice Question The pooled variance formula is

s_(p)^(2)=((al-1):21(n2-1):22)/(-1 n^(2)-2)

, When do we use pooled variance in a two sample test of means? Any time the samples have different standard deviations. When the population variances are unknown. When we think the two populations have equal variance.

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Expert Answer to - Multiple Choice Question The pooled variance formula is s_(p)^(2)=((al-1):21(n2-1):22)/(-1 n^(2)-2),

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Solution for - Multiple Choice Question The pooled variance formula is s_(p)^(2)=((al-1):21(n2-1):22)/(-1 n^(2)-2),

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This an additional answer to - Multiple Choice Question The pooled variance formula is s_(p)^(2)=((al-1):21(n2-1):22)/(-1 n^(2)-2),

(Solved): Multiple Choice Question The pooled variance formula is s_(p)^(2)=((al-1):21(n2-1):22)/(-1 n^(2)-2), ...

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