Answer:
5
Step-by-step explanation:
2*2 + 3*6 + 4*x + 5*8 + 6*1 = 84
4*x = 16
x = 4
Right, 8 is the biggest frequency
z-score = 3.5, Yes, z-score is unusual.
0.5401
When it has a -1 you are supposed to move the decimal to the left
5.401 move it to the left one time adn it gives you 0.5401
18
hope this helps:)
because ![\frac{1}{2} ÷ 3 = [tex] \frac{1}{6}](https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B2%7D%20%C3%B7%203%20%3D%20%5Btex%5D%20%5Cfrac%7B1%7D%7B6%7D%20)