A Study Reports the Following Data on 7-Day Flexural Strength

question 36

Essay

A study reports the following data on 7-day flexural strength of nonbloated burned clay aggregate concrete samples (psi): $$\begin{array} { l l l l l l l l l } 386 & 456 & 476 & 480 & 490 & 497 & 526 & 546 & 700 \\440 & 393 & 407 & 407 & 434 & 427 & 440 & 407 & 450 \\460 & 327 & 317 & 300 & 340 & 340 & 343 & 374 & 377\end{array}$$ Test at level .10 to decide whether flexural strength is a normally distributed variable.

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Definitions:

Study Of The Mind

The investigation and analysis of mental processes, including cognition, emotion, and behavior, typically within the field of psychology.

Ancient Scholar

A term referring to a learned individual from ancient times, often associated with significant contributions to knowledge, philosophy, or science.

Human Nature

The general psychological characteristics, feelings, and behavioral traits of humankind, regarded as shared by all humans.

Empirical Evidence

Information acquired by observation or experimentation that serves as a basis for knowledge or belief.