()
| 98 | } |
| 99 | |
| 100 | public double pValue() |
| 101 | { |
| 102 | double se = sampleDev/Math.sqrt(sampleSize); |
| 103 | |
| 104 | double zScore = (sampleMean-hypoMean)/se; |
| 105 | |
| 106 | if(h1 == H1.NOT_EQUAL) |
| 107 | return norm.cdf(-Math.abs(zScore))*2; |
| 108 | else if(h1 == H1.LESS_THAN) |
| 109 | return norm.cdf(zScore); |
| 110 | else |
| 111 | return 1-norm.cdf(zScore); |
| 112 | } |
| 113 | |
| 114 | public void setAltHypothesis(H1 h1) |
| 115 | { |