Matlab Program to Implement Statistics Visualization Assignment Solution.

# Program: stats.py

# Author:

# Date:

#

# Assignment 1, Intro to Data Strtures

#

# Note: you may NOT use the built-in statistical functions

# min, max, sum, et. Instead, create your own code to

# calculate the answer.

#

# You may use math.sqrt when calculating the standard deviation

import math

def get_scores():

'''Get scores interactively from the user

pre: None

post: returns a list of numbers obtained from user'''

nums = []

while True:

num = input("Enter a number ( to Quit): ")

if num == "": break

nums.append(eval(num))

return nums

def min_value(nums):

''' find the minimum

pre: nums is a list of numbers and len(nums) > 0

post: returns smallest number in nums'''

def max_value(nums):

''' find the maximum

pre: nums is a list of numbers and len(nums) > 0

post: returns largest number in nums

'''

def average(nums):

''' calculate the mean

pre: nums is a list of numbers and len(nums) > 0

post: returns the mean (a float) of the values in nums'''

def std_deviation(nums):

'''calculate the standard deviation

pre: nums is a list of numbers and len(nums) > 1

post: returns the standard deviation (a float) of the values

in nums'''

def distribution(nums):

''' Document the pre & post conditions for this function '''

def main():

nums = get_scores()

print(min_value(nums))

print(max_value(nums))

print(average(nums))

print(std_deviation(nums))

print(distribution(nums))

if __name__ == '__main__':

main()