The basketball players at rafaels middle school are selling t shirts and he wants to determine the average number of shirts that have been sold. first he surveyed five members of the 7th grade boys basketball team. then he surveyed every third basketball player on the boys and girls 6th through 8th grade basketball teams. which sampling technique should produce a more representative sample?

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.