From the chart determine at the 005 significance level the c
From the chart, determine at the 0.05 significance level the comparative chi-squared value, ?2?=? Give answer 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
chi-squared value= 16.76
