Calorie and Alcohol Content Percentage in Large
Sample of Premium Beers

Due Date: December 8, 2003

Descriptive Statistics for Calories Per Beer:
Focusing on the Descriptive Statistics of the number of Calories in the sample of beers it can be determined that, the average calories per beer, 142.3478, is the central point around which the data cluster. The median calories per beer, 148, are the middle value in the data and means that fifty percent of the beers have calories above 148 and fifty percent of the beers have calories below 148. The mode, 148, is the value, or number of calories that occur most frequently in the data set. The standard deviation is the typical spread around the mean number of calories per beer and is +/- 29.90221 calories. The range of calories per beer is 143 and measures the total spread of the data from the minimum value of 58 calories per beer to the maximum value of 201 calories per beer. The shape of the data concerning calories per beer is left or negatively skewed, meaning that there are some extremely low outliers, or beers that are very low in calories, which distort the shape of the data. Looking at the Frequency Distribution of Calories per beer it can be said that, 58% of the beers have 150 calories of less, 92.75% of the beers have 170 calories of less, and 34.78% of the beers fall between 150 and 170 calories per beer.
Interval Estimates of Calories Per Beer:
Concentrating on the Interval Estimate of Calories of beer it can be understood, that with a 95% confidence level it can be said that the average Calories per beer is between 135 and 149, that with a 90% confidence level it can be said that the average Calories per beer is between 136.42 and 148.26, and that with a 99% confidence level it can be said that the average Calories per beer is between 133.1 and 151.6.

Descriptive Statistics for Alcohol Content