Answer:
13/28 (13 over 28)
Step-by-step explanation:
26/28 - 13/28 = 13/28 and since 13 is a prime number it can't be simplified
Answer:
look at the picture I sent
Answer:
p value= 2.228
Step-by-step explanation:
since average of two groups is being compared two-sample t-test will be performed.
degrees of freedom= 12-2=10
at α=.025 from t table
p value= 2.228
F ( x ) = x³ + 3 x
Slope of a horizontal line is 0.
f ` ( x ) = 3 x² + 3
3 x² + 3 = 0
3 x² = - 3 / : 3
x² = - 1 , which give complex roots.
Answer: NONE
