2. Circle the appropriate beginning letter of the type of data for each example, that is, circle N for nominal, O for ordinal, I for Interval and R for ratio. (a) Type of Stock Purchase (mutual fund, NYSE stock, or NASDAQ stock) NOIR (b) Military Office Rank (General, Major, Lt., Sergeant, Private) (c) Tuition at school (d) Temperature in centigrade (e) Student Classification (Sr., Jr., Soph., or Freshman) (f) Percent of Carbon in finished Steel (g) Number of Shipments / Month that were late 3. Data types are differentiated by 4 different concepts: (1) Differences in kind, (2) rank order, (3) scales of equal units, and (4) having a true zero point. For each type of data, circle ALL of the concepts that are appropriate for each type data. The concepts are given as 1,2,3 and 4 to the right. (a) Interval data (b) Ordinal data (c) Ratio data (d) Nominal data 4. One of the most important statistical distributions is the normal distribution. Circle the percentage indicated by the following conditions. (a) the probability that a point is below the mean 50%68.34%95.45%99.73% (b) the probability that a point falls within 2 std. Dev. of the mean 50%68.34%95.45%99.73% (c) the probability that a point falls within 3 std. Dev. of the mean. 50%68.34%95.45%99.73% (d) the probability that a point falls within 1 std. Dev. of the mean 50%68.34%95.45%99.73% 5. Describe the Pareto distribution as it applies to carpet wear experienced in a particular house