She should use Mean. That is when you add together all of the numbers, then divide by the number of numbers. Her average grade is 80.75, or rounded it is 81.
H/4=7/14
we cross multiply , so
14*h = 7*4
14h=28
divide by 14 on both sides
h=28/2=2
Answer:
0.90
Step-by-step explanation:
hope this helps
Answer:
The conclusion about p using an absolute value inequality is

Step-by-step explanation:
From the question we are told that
The sample proportion is 
The margin of error is 
The confidence interval is mathematically represented as

=> 
=> 
Answer:
B. 10
Step-by-step explanation:
Look at the chart.
Find how many members are 50-60 inches tall. (6)
Find how many members are 61-70 inches tall. (4)
Add each member count up. (10)