Statistical techniques that may be used on interval scale data include all of those that can be applied to nominal, ordinal, and ratio data

Which one of the following numbers represents the number 34 in binary code?

A. 100010 B. 010100 C. 111001 D. 101001

The errors in a particular forecast are as follows: 4, -3, 2, 5, -1. What is the tracking signal of the forecast?

A) 0.4286 B) 2.3333 C) 5 D) 1.4 E) 2.5