Consider the following contingency table: Tea Coffee Not coffee 17 56 Not tea 72 826 You are trying to determine whether there is a correlation between the purchase of coffee and the purchase of tea, and you calculated the cosine measure and the Kulczynski measure. Which of the following is true about these two measures? Choose all that apply. a. Both measures indicate there is a positive correlation. Ob. Both measures indicate there is a negative correlation. Oc Cosine measure is smaller than Kulczynski measure. d. Cosine measure is greater than Kulczynski measure.

Consider the following contingency table: Tea Coffee Not coffee 17 56 Not tea 72 826 You are trying to determine whether there is a correlation between the purchase of coffee and the purchase of tea, and you calculated the cosine measure and the Kulczynski measure. Which of the following is true about these two measures? Choose all that apply. a. Both measures indicate there is a positive correlation. Ob. Both measures indicate there is a negative correlation. Oc Cosine measure is smaller than Kulczynski measure. d. Cosine measure is greater than Kulczynski measure.

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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