Use Excel for this problem. Download the data (Exam1_data) from LMS. The data give the barometric pressure X(in inches of mercury) and the boiling point Y (in F) of water in the Alps.

1. For each of the variables, is the distribution normal? Draw a histogram.
2. For each of the variables, what percent of the population lies within 2 standard deviation? Are these numbers consistent with the Chebysheff's Theorem?

3.For each of these variables find the 75^th percentile

The data excel is here https://docs.google.com/spreadsheets/d/1X0KwyhjU6OyvowDE9uYYUtS2nk1VBm4UEtHZ2YukjXU/edit?usp=sharing