**Name: ** __
__ **Score: **
__ __

Answer Completely. |
Use complete sentences. |

Due Tue., July 12, 2005, 10:30:00.000, EDT. |
Due on the teacher's desk in BH114. |

- The Hinkle textbook on pages 1 and 2 gives at least three
meanings for the word
**statistics**. What are they? Which one correlates with the meaning of**statistic**given on page 12? - Use summation notation to express the average of: 1, 1, 2, 4, 7.
- The additional answer given for the Hinkle textbook chapter 1
exercises 6c, 6d, and 7c are not explained in the textbook.
Are they correct? Why or why not.
- What might the mnemonic
"Please Excuse My Dear Aunt Sally"
have to do with anything in this chapter?
- At http://etd.nd.edu search
for a dissertation by Calkins and examine the abstract.
You will find a precise value given for the cesium D
_{1}centroid frequency. How many significant digits are there in that result? - Consider the phrase "The data is ...."
Is this common usage? Is this grammatically correct?
- The Hinkle textbook on page 9 says the letter grades for
a history course are ordinal. Are they for this course?
- The Hinkle textbook on page 10 says
"Temperature is ... measured on an interval scale."
Is this true for Kelvin and Rankine?
- Consider grade point averages (GPAs) which assign numeric
values to certain letter grades. What level of measurement
is a GPA? What does this assume about the level of measurement
of the underlying letter grades?
- Look in another statistics textbook to find out whether
it uses a capital
*X*bar or a lowercase*x*bar for sample mean. Be sure to indicate the textbook name and author. - (Bonus) The Hinkle textbook on page 11 carefully
distinguishes between discrete versus continuous measurements.
Is this description consistent with quantum mechanics where
a particle's spin can only take on values of ±½hbar?
BACK ODD SOLUTIONS ACTIVITY CONTINUE - e-mail: calkins@andrews.edu
- voice/mail: 269 471-6629/ BCM&S Smith Hall 106; Andrews University; Berrien Springs,
**classroom:**269 471-6646; Smith Hall 100/**FAX:**269 471-3713; MI, 49104-0140- home: 269 473-2572; 610 N. Main St.; Berrien Springs, MI 49103-1013
- URL: http://www.andrews.edu/~calkins/math/edrm611/edrm01hw.htm
- Copyright ©1998-2005, Keith G. Calkins. Revised on or after July 11, 2005.