Test of Independence Compute E21 accurate to two decimalsRou

Test of Independence.

Compute E21 accurate to two decimals.Round to the nearest hundredth.

Observed	A	B	C	Total
X	7	18	51	76
Y	18	35	59	112
Z	34	26	52	112
Total	59	79	162	300

Solution

A   B   C   Total   X Observed   7 18 51 76 Expected   14.95 20.01 41.04 76.00 (O - E)