Work out the z scores for 51 and 54
z1 = (51 - 57.5) / 6.5 = -1
z2 = (64 - 57.5)/6.5 = 1
from tables of normal distribution this value os 3413 + 3413 = 68.26%
so the answer is c
Answer:
Mean is 3, median is 1, and range is 6
Step-by-step explanation:
Im a smart dude with a great attitude
Answer:
3 (-4,3)
Step-by-step explanation:
In this situation, you have:
The mode is 79 (that’s the most common number).
The median is 78.5 (the middle value or the average of the two middle values, since there is an even number of test scores).
The mean is less than both of those, as it was brought down by the few scores of 49.
The means the mean will be less than median.
Answer: C
21/49 in simplist from would be 3/7.
Your answer is <em>3/7</em>
