Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Education Research in Education Measurement and Analysis of Data
An investigator used t-test to compare two groups of students on verbal aptitude. He repeated his experiment 20 times and obtained significant difference 19 times. On the basis of this he decided to reject the null hypothesis. The probability of committing type I error was
1
0.01
2
0.02
3
0.05
4
0.10