In an Agricultural Experiment, the Effects of Two Fertilizers on the Production

question 40

Multiple Choice

In an agricultural experiment, the effects of two fertilizers on the production of oranges were measured. Fourteen randomly selected plots of land were treated with fertilizer $A$ , and 10 randomly selected plots were treated with fertilizer $B$ . The The number of pounds of harvested fruit was measured from each plot. Following are the results.

$\begin{array}{}{\text { Fertilizer A }} \\\hline 479 & 385 & 400 & 417 & 405 & 403 & 386 \\\hline 450 & 406 & 434 & 437 & 409 & 429 & 352 \\\hline\end{array}$


$\begin{array}{ccccc}{\text { Fertilizer B }} \\\hline 404 & 403 & 387 & 427 & 429 \\\hline 404 & 464 & 418 & 411 & 340\end{array}$
Assume that the populations are approximately normal. Can you conclude that there is a difference in the mean yields for the two types of fertilizer? Use the $\alpha = 0.05$ level of significance.

• A) Yes
• B) No

---

Definitions:

Neo-Freudians

denotes psychologists who accepted the basic concepts of Freud's theory but modified and expanded them to include social and cultural aspects into personality development.

Scientific Method

A systematic and logical approach to discovery that involves the process of observation, hypothesis formation, experimentation, and conclusion.

Freud

The Austrian neurologist, Sigmund Freud, introduced psychoanalysis, which is a method of treating mental health issues through conversational therapy between a patient and a psychoanalyst.

Inferiority Complex

A psychological condition where an individual feels a deep sense of inadequacy and lack of worth compared to others, often leading to overcompensation or withdrawal.