RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

CHI SQUARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which test would you use ____ In 1974, each acre of the Tahoe basin was assessed to see what condition the soil was in. 23% of acres were of type I, 32% were of type II, 41% were of type III, and 16% were of type IV. This year the region was assessed again and the number of each type were again determined.
A
Chi-square Goodness of Fit Test
B
Chi-Square Test for Homogeneity
C
Chi-Square Test for Independence/Association
D
Not a Chi-square test
Explanation: 

Detailed explanation-1: -A chi-square test is a statistical test that is used to compare observed and expected results. The goal of this test is to identify whether a disparity between actual and predicted data is due to chance or to a link between the variables under consideration.

Detailed explanation-2: -Step 1: Subtract each expected frequency from the related observed frequency. Step 2: Square each value obtained in step 1, i.e. (O-E)2. Step 3: Divide all the values obtained in step 2 by the related expected frequencies, i.e. (O-E)2/E. More items •27-Nov-2019

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