there are 4 choices.:
The backpacks of the 7th graders tend to weigh less than the backpacks of the 9th graders
The backpacks of the 7th graders tend to weigh more than the backpacks of the 9th graders
A typical weight for the 7th grader's backpacks is about 10 pounds
A typical weight for the 9th grade backpacks is around 21 pounds
The distribution of weights for the 9th graders and the 11th graders are similar
The 11th grade backpack weights were more variable than the 7th graders
The 11th grade backpack weights were less variable than the 7th graders
Attachments:
Answers
Answered by
0
Answer:
2 ,3 ,7 .thankyou
Step-by-step explanation:
Similar questions