Answered: clared a dynamic array after the number…

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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PLEASE SCREENSHOT AND UPLOAD SUCCESSFUL OUTPUT (IN PYTHON ). Assuming the test cases you create in a file is the survey result. Write a program to read the file. In general, the number of records is unknown, the program should be able to process any number of records without abnormal termination. You may declare a large static array or declared a dynamic array after the number of records is known. After data is read, perform the analysis of the following: 1. Count the total number of households included in the survey. Obtain the average, minimum, maximum and median of household incomes, and print them out. 2. Sort the records of households by four-digit id numbers 3. Print all sorted household records as a three-column table, displaying the data for each household. Include heading for the table. 4. Determine the households that have incomes below the poverty level and print the record of all such households. Include heading for the table. All output should be formatted. Then print the overall percentage of homes below the poverty level. Your test case must include a number of households in this category.

Problem Description: You job is to process a survey of the households in your town. Each
record in the survey contains data for one household, including a four-digit identification
number, the annual income of the household, and the number of household members. Your
organization is interested in getting a summary report from the survey.

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