A random survey of 25 students in each grade level of a school was conducted to determine whether the students preferred to have less time between classes. The results are shown in the table.
Survey Results
Grade 6
Students
Grade 7
Students
Grade 8
Students
Less Time
14
10
6
More Time
10
15
14
Same Amount
of Time
1
0
5
There are 275 students in each grade. Based on the survey results, which statement is the best prediction about all
the students in these grade levels?
1-17

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.