fixed check_lab00.py

rcc02007 · Sep 3, 2019 · 879b9b8 · 879b9b8
1 parent 3452a26
commit 879b9b8
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/check_lab00.py b/check_lab00.py
@@ -1,4 +1,5 @@
 import numpy as np
+from scipy.stats import norm, t
 
 def check_p01(data):
     mu=np.mean(data)
@@ -36,7 +37,7 @@ def check_p03(data1,data2):
 
     print('t=%1.2f'%tstat)
 
-    df=2*N-2
+    df=N1+N2-2
     if tstat>t.interval(0.95, df)[1] and (mu1-mu2)/mu1<0.1:
         points=2
         print('Nice work')
@@ -46,4 +47,4 @@ def check_p03(data1,data2):
         return points
 
 if __name__=='__main__':
-    print('This is the library to check Lab 00 prework')
+    print('This is the library to check Lab 00 prework')