TABLE 10-4 Two Samples Each of Size 25 Are Taken from Independent

question 8

Short Answer

TABLE 10-4
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 Table 10-4, the computed t statistic is ________.

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Definitions:

Mean Square

In analysis of variance (ANOVA), the average of squared differences from the mean, used to assess within-group and between-group variability.

Error

The difference between the observed value and the true value in statistics and scientific measurements.

Null Hypothesis

A statement used in hypothesis testing that indicates no significant difference or effect.

P-value

The probability of observing a statistic at least as extreme as the one observed, given that the null hypothesis is true.