Answer:
33.3333% decrease
Step-by-step explanation:
Percent change formula: , where x is the new value and y is the starting value.
Plug in values and solve:
-33.3333% change, or a 33.3333% decrease.
Answer:
7
Step-by-step explanation:
Answer:
z = 2.6
Step-by-step explanation:
<u>Use the formula for z-score</u>
This tells us that this person's score of 210 places them 2.6 standard deviations above the mean