The Following Data Shows the Yield,in Bushels Per Acre,categorized According $\quad\quad\quad\quad\quad\quad\quad Plot 1 \quad\quad\quad\quad\quad Plot 2 \quad\quad\quad\quad\quad\quad Plot 3$

question 13

Essay

The following data shows the yield,in bushels per acre,categorized according to three varieties of corn and three different soil conditions (Plot 1,Plot 2,and Plot 3).Test the null hypothesis of no interaction between variety and soil conditions at a significance level of 0.05. $\quad\quad\quad\quad\quad\quad\quad Plot 1 \quad\quad\quad\quad\quad Plot 2 \quad\quad\quad\quad\quad\quad Plot 3$
Variety $1 \quad 156,167,170,162 \quad 162,160,169,168 \quad 145,151,148,155$
Variety $2 \quad 172,176,166,179 \quad 179,186,160,176 \quad 161,162,165,170$
Variety $3 \quad 175,157,179,178 \quad 178,170,172,174 \quad 169,165,170,169$

---

Definitions:

Seriation

Seriation is a cognitive skill that involves organizing objects in a sequential order based on a particular attribute, such as size or color.

Reversibility

In cognitive development, the understanding that objects can be changed and then returned to their original condition or state.

Moral Development

The process through which individuals develop proper attitudes and behaviors toward other people in society, based on social and cultural norms, rules, and laws.

Pre-Conventional

A stage in Kohlberg's theory of moral development where moral understanding is based on rewards and punishments.