The interjection in this sentence is Yikes!
Interjections are used to show some kind of emotion, and often end with an exclamation mark.
Answer: y=7.3
Y=-7/16
Step-by-step explanation:
Mean
Mean/median (which are the same for a normal/bell-shaped distribution)
Dispersion/spread could work for the last one
Answer:
steps below
Step-by-step explanation:
It's easier to prove from right side to left side. If you insist to prove from left to right, you can just reverse the calculation from bottom to the top.
Answer:
bellshaped
a) 68
b) 95
c) 99.7
Step-by-step explanation:
A bell shaped distribution is a normal distribution.
Those percentages: 68, 95 and 99.7 correspond to the values that lies around the mean within one, two and three standard deviations.
