Chi-squared test on cat data

The cat data

Before

	food	affection
food	10	114
affection	28	48

After

	food	affection
food	10	114
affection	28	0

The expected tables

Expected Table 1

	food	affection
food	23.56	100.4
affection	14.44	61.56

Expected Table 2

	food	affection
food	31	93
affection	7	21

The contributions to the chi-squared statistic

For Table 1

	food	affection
food	7.804	1.831
affection	12.73	2.987

For Table 2

	food	affection
food	14.23	4.742
affection	63	21

A kind of silly graph