Cold U? A high school senior uses the Internet to get information on February temperatures in the town where hell be going to college. He finds a website with some statistics, but they are given in degrees Celsius. The conversion formula is F = 9>5 C + 32. Determine the Fahrenheit equivalents for the summary information below. Maximum temperature = 11C Range = 33 Mean = 1 Standard deviation = 7 Median = 2 IQR = 16

Chapter 2 2.1 Statistics is all about data: (nothing but counts and measurement) Data- Qualitative: names, labels, etc. Ex. Gender survey Quantitative: numerical count (discrete), sibling survey (numerical discrete) Measurement (continuous), height survey (numerical continuous) Examples: Exam 1 (2012) Q. 14.) B Q. 15.) C 2.2 Other forms: ordinal variable ex. Level of lower back pain Data Summary: Ex. Qualitative data- data consists of several levels. In the gender survey it was male and female. Information Content: counts or proportion (relative frequency of different levels) Store information by tabulating and or a bar graph (plot) Ex. Quantitative data. Continuous data: has infinitely many values. Data is subdivided into class intervals (bins) and tabulat