Answer:
The lengths of time that his mom reads are typically longer and have more variability than the lengths of time that his dad reads.
Step-by-step explanation:
The Mom's plot is longer in ranges, therefore, she would have more variability than the dad.
Answer:
5.5
Step-by-step explanation:
According to my calculations,
A. is the correct answer.
8√5
Answer:
x = 2
Step-by-step explanation: