Answer:
84
Step-by-step explanation:
Pretend her first 3 quizzes were all 83 since that was the average. So the 4th was 87.
83+83+83+87 = 336
Divide by the total number of quizzes because they are equally weighted.
336/4 = 84
Her new average score is 84.
Answer is B.
We see the center lines are 80 and 85 as stated.
A is wrong because the range of class 2 is less.
C is wrong; class 2 has a minimum of 50
D is wrong; class 2 has a smaller interquartile range, which is the width of the boxes.
Answer:
you are going to say 2(2) ×2
then 4×2=8
Answer: 
, 
, 
, 3.6
Step-by-step explanation:
Root 12 = 3.46
25/7 = 3.57
3.6 = 3.6
and Root 49/Root 4 = 3.5
Simply order them from least to greatest from here. Hope this helps
