Answer:
b
Step-by-step explanation:
Null hypothesis: mean of valence for all metal song is equal to mean of valence of blues song.
Null hypthesis tests the claim
Altenate hypothesis: mean of valence for all metal songs is not equal to mean of valence of blues song.
Alternate hypothesis rejects the claim.
7 7/8 - 3 1/4
63/8 − 3 1/4
=63/8 − 13/4
=37/8
=4 5/8
Decimal form: 4.625
The required number will be 16
the expression will be like :
hope it helps you cap !!
Anti - Venom
Angle A is 45
Angle R is 72 because S and R are the corresponding angles in the triangle.
To find angle RVA add 72 and 45 and the subtract by 180.
RVA = 180-(72+45) = 63
Hope this helps :)