Here is some information about the goals scored in some hockey games.

each game has four quarters.

goals in hockey games

number

of goals 5

the mean number of home

goals scored is 2.5

the mean number of away

goals scored is 1.8

how many home and away

games have been played

in total?

3rd

2nd

quarter

away goals

key:

home goals

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

What is the range? can’t seem to find it out

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24