Chi-Square test (Problem - 2 with Solution)

Spearman Rho Rank Correlation (Problem 1 with Solution)

Chi-Square test (Problem-3 with Solution)

Continuation of Chi-Square Problem -3 solution

t-Test formula (Problem 1 with Solution)

Continuation of t-Test Problem -1 with Solution

Probability values of Degrees of Freedom in t-distribution table

t-Test (Problem-2 with Solution)

Continuation of t-Test Problem-2 with Solution

t-Test (Problem-3 )

t-Test (Problem-3 with Solution)

Z-score test (Problem - 1 with Solution)

Z-score test (Problem 2 with Solution)

This, in the group of 500 Students of X class, there are total 53 students having I.Q below 80 and 53 students who are having I.Q above 120.

Z-score test (Problem - 3 with Solution)

Spearman Rank Correlation (Problem 2)

Continuation of Spearman Rank Correlation (Problem 2 with Solution)

One Tailed vs Two Tailed Tests

Parametric Tests:

1) t-Test
2) Z-test
3) F-test

t-test, z-test, f-test and chi square test- A theoritical aspect

Parameter & Statistic Definitions