"""
Reports statistics about numeric data in a file

CS 150 Spring 2019 Lab 5

Name: Amy Briggs
"""

# imports here

def read_file(filename):
    """
    Reads in data from filename
    
    Args:
        filename: a string with a [path and] filename
        
    Returns:
        list of floating point values read from filename
    """
    pass

def average(data):
    """
    Computes average value in a list.
    
    Args:
        data: a list of numeric values
        
    Returns:
        the average value in list 'data'
    """
    pass

def median(data):
    """
    Computes and returns median value in data
    
    Args:
        data: a list of values of any type, sorted or unsorted
        
    Returns:
        the median value in data by sorting the data, and then returning
        the middle element if sequence has odd length, or the average of
        the two middle elements if sequence has even length
    """
    pass

def standard_deviation(data, mean):
    """
    Computes standard deviation of values in data 
    
    Args:
        data: a list of values of any type, sorted or unsorted
        mean: average value in data
        
    Returns:
        the standard deviation of the values in data
    """
    pass

def frequencies(data):
    """
    Print the frequency of each item in the list data
    
    Args:
        data: List of sortable data items
    """
    pass

def data_analysis():    
    """
    Prompts user for a filename, then reports numeric statistics about data
    in the file, including Max, Min, Average, Median, and Standard Deviation.
    
    Args:
        none
        
    Returns:
        none
    """
    pass


# main program:
# data_analysis()