Answer:
The mean scores and the range of scores for the two groups are different.
Step-by-step explanation:
Its B !! this time i am sure....haha !!
Answer:

Step-by-step explanation:
To solve the expression

first we will multiply -n with each term and then find their products.
When doing multiplication the powers will be added and co-efficient will be multiplied.

It costs (8) dollars a day to rent a bike for (4) days, so the expression should be (8x4)=32