Answered: PYTHON!!!!! A group of statisticians…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

PYTHON!!!!!

A group of statisticians at a local college has asked you to create a set of functions that compute the median and mode of a set of numbers. Define these functions, median and mode, in a module named stats.py. Also include a function named mean, which computes the average of a set of numbers. Each function should expect a list of numbers as an argument and return a single number. Each function should return 0 if the list is empty. Include a main function that tests the three statistical functions using the following list defined in main:

lyst = [3, 1, 7, 1, 4, 10]

An example of the program output is shown below:

List: [3, 1, 7, 1, 4, 10]

Mode: 1

Median: 3.5

Mean: 4.33333333333333

Program produces correct output given input:

Custom Test:

mode method test

Test Contents:

import stats

assert(stats.mode([3, 1, 7, 1, 4, 10]) == 1)

assert(stats.mode([1, 1, 2, 3, 5, 8, 13, 21]) == 1)

assert(stats.mode([10, 13, 78, 69, 45, 23, 32, 23]) == 23)

Custom Test:

median method test

Test Contents:

import stats

assert(stats.median([3, 1, 7, 1, 4, 10]) == 3.5)

assert(stats.median([1, 1, 2, 3, 5, 8, 13, 21]) == 4.0)

assert(stats.median([10, 13, 78, 69, 45, 23, 32, 23]) == 27.5)

Custom Test:

mean method test

Test Contents:

import stats

assert(stats.mean([3, 1, 7, 1, 4, 10]) == 4.333333333333333)

assert(stats.mean([1, 1, 2, 3, 5, 8, 13, 21]) == 6.75)

assert(stats.mean([10, 13, 78, 69, 45, 23, 32, 23]) == 36.625)

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