The college athletic director recorded the highest noise levels reached during 7 sporting events. The highs were: 88 decibels 88 decibels 88 decibels 87 decibels 84 decibels 97 decibels 95 decibels

What was the mean noise level recorded? Round your answer to the nearest whole number.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

F(x) = 2x + 1? h(x) = x – h(x) = x + h(x) = x – 2 h(x) = x + 2