A survey is done to determine if there is a statistically significant difference among the proportions of citizens living in four different regions of a country who approve of a new national initiative. Independent random samples of size 30 are taken from each region.

The attached table summarizes the results

The statistical decision made in a chi-squared test for homogeneity of proportions at the 0.10 level of significance is:

A survey is done to determine if there is a statistically significant difference among the proportions of citizens living in four different regions of a country class=