### Present Remotely

Send the link below via email or IM

• Invited audience members will follow you as you navigate and present
• People invited to a presentation do not need a Prezi account
• This link expires 10 minutes after you close the presentation

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

You can change this under Settings & Account at any time.

# NUFS 312 Popcorn Lab

No description
by

## Le Chang

on 14 April 2014

Report abuse

#### Transcript of NUFS 312 Popcorn Lab

Popcorn Quality Assessment
Introduction
- Materials and methods
- Results and discussion
- Bar Chart - Average and Variation
- F-test, T-test and ANOVA
- Regression
- 3 sigma control charts
- Conclusion and suggestions
- Questions?
Materials and Methods
Averages and variation
Regression
F-test, T-test and ANOVA
T-test and ANOVA-->Differences between地means of two groups
F-test --> test the variances of two groups
Three Requirements for ANOVA:

1.Equal Variance
2. Independent sampling
3.Normal distribution
ANOVA
T-test
F-test

3 Sigma Control Chart
Efficiently reflect the quality of popcorn product
Use a three sigma limit to set the Upper and Lower Control
UCL = μ + 3sigma , LCL = μ - 3sigma
Variance
Average
-the mean of a group of samples
-->how far each number in the set is from the mean

By: Le Chang, Lison Tse, Jingjing Wei,
Tong Wu and Zhenni Yan
Reference
http://www.mamacheaps.com/2012/03/11-diet-dr-pepper-12-pack-orville-redenbacher-popcorn-coupon-2.html
http://www.livingrichwithcoupons.com/2012/06/rite-aid-free-act-popcorn.html

Thank you!

Conclusions and Suggestions
- F-test, T-test and ANOVA
- Bar Chart - Average and Variation
- Regression
- 3 sigma control charts

- Improvement
- Bar Chart - Average and Variation
- F-test, T-test and ANOVA
- Regression
- 3 sigma control charts
Results and discussion
Full transcript