Instruction 10-6 Two Samples Each of Size 25 Are Taken from Independent

question 13

Short Answer

Instruction 10-6
Two samples each of size 25 are taken from independent populations assumed to be normally distributed with equal variances. The first sample has a mean of 35.5 and standard deviation of 3.0 while the second sample has a mean of 33.0 and standard deviation of 4.0.
-Referring to Instruction 10-6,the computed t statistic is __________.

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Definitions:

Descent Groups

Social groups whose membership is based on lineage or ancestry, tracing relationships through either maternal or paternal lines.

Common Ancestor

An individual or species from which two or more descendant species or individuals are derived in evolutionary biology, indicating a point of divergence in their lineage.

Descent Group

A social group whose members talk about common ancestry.

Lineage Group

A social group tracing descent from a common ancestor, thus forming a basic unit in the social structure of many societies.