Write a function in Python to compute the sample mean of a list of numbers. The...

Write a function in Python to compute the sample mean of a list of numbers. The return value should be the sample mean and the input value should be the list of numbers. Do not use a built-in function for the mean. Show an example of your function in use.

Thank You

Expert Solution

Algorithm: The mean of a list can be calculated by dividing the sum of of all elements of the list by the count of elements in the list.

I have also written the code for standard deviation. Have a look at the below code. I have put comments wherever required for better understanding.

import math
def mean(list):
  # variable to store total sum
  total_sum = 0 
  # variablle to store total count
  total_count = len(list)
  # calculate the sum
  for i in list:
    total_sum+=i 
  # find the mean
  mean = total_sum/total_count 
  # return mean
  return mean 

def standard_deviation(list):

  total_count = len(list)

  mean_value = mean(list) 

  total = 0 

  for i in list:
    total+=pow(i-mean_value,2)
  
  standard_deviation = math.sqrt(total/total_count)

  return standard_deviation

Happy Learning!

venereology answered 5 months ago

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