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: p1 p2 = 0.20 HA: p1 p2 0.20
x1 = 175 | x2 = 128 |
n1 = 255 | n2 = 390 |
a. Calculate the value of the test statistic. (Round final answer to 2 decimal places.)
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Algebra And Number Theory An Integrated Approach
Authors: Martyn R Dixon, Leonid A Kurdachenko, Igor Ya Subbotin
1st Edition
0470640537, 9780470640531
