Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Research Aptitude Steps of Research Data Analysis
A set of sample of 20 places of mean annual rainfall were randomly selected from a normally distributed universe that has mean annual rainfall of 320 cm. The sample mean was recorded 250 cm with standard deviation of 150 cm. Which one of the following significance tests is correct for the selected samples ?
1
Z - test
2
X2 - test
3
F - test
4
t - test