Let Z N(0, 1). Find a constant c for which a. P(Z c) = 0.1587 b. P(c Z 0) = 0.4772 c. P(c Z c) = 0.8664 d. P(0 Z c) = 0.2967 e. P(|Z| c) = 0.1470

STA 13 Week 1 Census- total population Sample- sub-collection of population Parameter-numerical measurement describing some characteristics of a sample Statistic- numerical representation of data Quantitative Data- Numerical measurements Quantitative Discrete Data- possible values are finite or ‘countable’ Quantitative Continuous Data- results from many possible values that correspond to a continuous scale for example height, temperature, or weight Qualitative (categorical) Data- consists of names or labels for example gender, color, etc. NOT numerical values Levels of Measurement 1. Nominal Level – ‘in name only’ consists of names, labels, or categories only. Cannot be organized in an ordering scheme meaning calculations such as means and sta