Python Program to Find Variance and Standard Deviation | Example with Code
SOLUTION…..
# Program to calculate variance and standard deviation # Given data data = [33, 44, 55, 67, 54, 22, 33, 44, 56, 78, 21, 31, 43, 90, 21, 33, 44, 55, 87] # Step 1: Calculate mean mean = sum(data) / len(data) # Step 2: Calculate variance variance = sum((x - mean) ** 2 for x in data) / len(data) # Step 3: Calculate standard deviation std_deviation = variance ** 0.5 # Display results print("Data:", data) print("Mean:", round(mean, 2)) print("Variance:", round(variance, 2)) print("Standard Deviation:", round(std_deviation, 2))
