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Table 1 Critical Z value in calculation of confidence interval

From: Classification of mastoid air cells by CT scan images using deep learning method

Confidence level (%)

Critical (z) value to be used in confidence interval calculation

50

0.67449

75

1.15035

90

1.64485

95

1.95996

97

2.17009

99

2.57583

  1. In this study the Z value is chosen 99% which is commonly used in most classification problems