A sociologist is researching changes in alcohol usage over time. As part of her research, she is to use this question: In a typical week, do you consume more than 14 units of alcohol? (6 pints of beer, 6 glasses of wine)
Yes No

Explain a methodology the sociologist could use to gain a representative sample.

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed. use 3.14 for π .

Can someone show me step by step how to do this?

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?