Slide 1

Chaughule, V.A. and Thorat, B.N. Statistical Analysis/Design of Experiments: Application in Dry-

ing of Foods, in Drying of Foods, Vegetables and Fruits - Volume 1, Ed. Jangam, S.V., Law, C.L. and

Mujumdar, A.S. , 2010 , ISBN - 978 -981-08-6759-1, Published in Singapore, pp. 165- 198.

Chapter 8

Statistical Analysis/Design of Experiments: Application in Dry-

ing of Foods

V.A. Chaughule and B .N. Thorat

Advanced Drying Laboratory, Institute of Chemical Technology, Mumbai, India - 400 019

Contact e-mail: [email protected]

Contents

8.1. INTRODUCTION .................................................................................................................... 161

8.2. STATISTICS IN EXPERIMENTATION .............................................................................. 162

8.3. ROLE OF STATISTICS IN EXPERIMENTATION ............................................................ 162

8.3.1. Planning Phase ............................................................................................................................. 163

8.3.2. Design Phase ................................................................................................................................. 163

8.2.3. Analysis Phase .............................................................................................................................. 164

8.4. DIFFERENT TERMINOLOGIES USED IN EXPERIMENTAL DESIGN ....................... 164

8.5. SELECTING A STATISTICAL DESIGN .............................................................................. 166

8.5.1. Consideration of Objectives .................................................................................................... 166

8.5.2. Factor Effects ................................................................................................................................ 167

8.5.3. Precision & Efficiency ............................................................................................................... 167

8. 5.4. Randomization ............................................................................................................................. 168
   8.6. DESIGNS FOR QUALITY IMPROVEMENT ...................................................................... 168
   8.6.1. Full factorial design.................................................................................................................... 169

Chaughule, V.A. and Thorat, B.N. Statistical Analysis/Design of Experiments: Application in Drying
of Foods, in Drying of Foods, Vegetables and Fruits - Volume 1, Ed. Jangam, S.V., Law, C.L. and Mu-
jumdar, A.S. , 2010 , ISBN - 978 - 981 - 08 - 6759 - 1, Published in Singapore, pp. 159 - 192.