Please enable JavaScript.
Coggle requires JavaScript to display documents.
UNIT 8 & 9 - Coggle Diagram
UNIT 8 & 9
Chi Square
The chi-square statistic is used to determine whether there is a significant difference between the observed counts and the expected counts, which would indicate that the null hypothesis is not true. The larger the chi-square statistic, the greater the difference between the observed and expected counts.
-
-
-
The chi-square test for homogeneity is appropriate only when comparing distributions from different populations to determine whether proportions in each category are the same.
A chi-square goodness-of-fit test is used to investigate whether or not there is a significant difference between a distribution generated from a sample and the hypothesized population distribution.
-
-
-
-
