Perform the Required Chi-Square Hypothesis Test $0.10$ Significance Level to Test the Claim That the Standard Deviation

question 14

Essay

Perform the required chi-square hypothesis test. Preliminary data analyses and other information indicate that it isreasonable to assume that the variable under consideration is normally distributed. Use the critical-value approach or theP-value approach as indicated.
-For randomly selected adults, IQ scores are normally distributed with a standard deviation of 15. The scores of 14 randomly selected college students are listed below. Use a $0.10$ significance level to test the claim that the standard deviation of IQ scores of college students is less than 15. Use the P-value approach. (Note: $\mathrm { s } = 9.819$ ) $\begin{array} { l l l l l l l } 115 & 128 & 107 & 109 & 116 & 124 & 135 \\ 127 & 115 & 104 & 118 & 126 & 129 & 133 \end{array}$

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Definitions:

Impaired Vision

A reduction or lack of visual capability resulting from conditions affecting the eyes or visual processing areas in the brain.

Occipital Lobe

A region of the brain located at the back of the head responsible for processing visual information.

Occipital Lobe

The area of the cerebral cortex found in the brain's posterior region, tasked with handling visual data.

Body Perception

The awareness and understanding of one's own body and its position in space, often concerning body image and physical self-concept.