Question

What is the approximate P-value for the following values of

X²

and df? (Use technology. Round your answers to four decimal places.)

(a)

X² = 34.52, df = 13

(b)

X² = 39.25, df = 16

(c)

X² = 26.34, df = 19

Answer 1

Answer 2

SOLUTION :

Using P-value calculator from X^2 value and df : 

https://www.socscistatistics.com/pvalues/chidistribution.aspx

a.

Enter :

X^2 = 34.52 

df = 13 

Choose any for significance level. 

Press calculate :

P-value = 0.0010003  (ANSWER).

b.

Enter :

X^2 = 39.25

df = 16

Choose any for significance level. 

Press calculate :

P-value = 0.0010001.  (ANSWER).

a.

Enter :

X^2 = 26.34 

df = 19 

Choose any for significance level. 

Press calculate :

P-value = 0.120991  (ANSWER).