# Chi-Square

1. Compute a chi-square test for goodness of fit for each of the following, using the .05

level for each. In each problem, the expected distribution is equal frequencies in each

category.

(a) 5 10 5

(b) 10 15 10

(c) 10 20 10

(d) 5 15 5

https://brainmass.com/statistics/chi-squared-test/chi-square-19626

#### Solution Preview

You can do a chi square test at

<br>http://www.graphpad.com/quickcalcs/chisquared1.cfm?Format=C

<br>

<br>(a)P value and statistical significance:

<br>Â Â Chi squared equals 2.500 with 2 degrees of freedom.

<br>Â Â The two-tailed P value equals 0.2865

<br>Â Â By ...

#### Solution Summary

1. Compute a chi-square test for goodness of fit for each of the following, using the .05

level for each. In each problem, the expected distribution is equal frequencies in each

category.

(a) 5 10 5

(b) 10 15 10

(c) 10 20 10

(d) 5 15 5

$2.49