Answered: The first step in finding an…

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

The first step in finding an association between gender and handedness from among the students in the accompanying table is to create a two-way table with these two variables. Make a two-way table with the labels Male and Female across the top and the labels Right and Left on the side, and then answer questions (a) through (f) using it.

Click the icon to view the data table.

a. Report how many students are in each of the four cells of the table by writing these values in your table.

Refer to the spreadsheet given below to begin tallying. For each cell, make a tally mark using the capital letter I for each person who has both of the characteristics belonging to that cell. Type a 0 if there are no students with the given characteristics. The genders have been recorded without coding to make the tallying process a little easier. Put a check mark to the right of the table so you know how far you have gotten. The first four tally marks are given. Check to see that you have a total of 11 tally marks.

Click the icon to view the partial data table.