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This test is used to compare the proportion of successes. The
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| x1 | – | x2 |
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| x1 | : data value of sample 1 | ||
Z = |
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| n1 | n2 |
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| x2 | : data value of sample 2 | ||||
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| n1 | : size of sample 1 | |
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| p(1– p ) |
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| n2 | : size of sample 2 | |||||||
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| n1 | ˆp | : estimated sample proportion | ||||
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Perform the following key operation from the statistical data list.
3(TEST)
1(Z)
p1 ................................. | sample proportion test conditions (“Gp2” specifies |
| test, “< p2” specifies |
| than sample 2, “> p2” specifies |
| is greater than sample 2.) |
x1 ................................. | data value (x1 >0 integer) of sample 1 |
n1 ................................. | size (positive integer) of sample 1 |
x2 ................................. | data value (x2 >0 integer) of sample 2 |
n2 ................................. | size (positive integer) of sample 2 |
Save Res .................... | list for storage of calculation results (None or List 1 to 26) |
Execute ....................... | executes a calculation or draws a graph |
After setting all the parameters, use c to move the highlighting to “Execute” and then press one of the function keys shown below to perform the calculation or draw the graph.
• 1(CALC) ... Performs the calculation.
• 6(DRAW) ... Draws the graph.
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