Question
Consider the following competing hypotheses and accompanying sample data. (You may find it useful to reference the appropriate table: z table or t table )
Consider the following competing hypotheses and accompanying sample data. (You may find it useful to reference the appropriate table: z table or t table) H0: 1 - 2 = 7 HA: 1 - 2 7
x1x1 = 54 | x2x2 = 40 |
s1= 22.5 | s2= 16.2 |
n1 = 24 | n2 = 19 |
Assume that the populations are normally distributed with equal variances. a-1. Calculate the value of the test statistic. (Round final answer to 3 decimal places.)
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Algebra Foundations Prealgebra, Algebra & Intermediate Algebra (subscription)
Authors: Elayn Martin Gay
2nd Edition
0135257506, 9780135257500
