SAT Scores for Students Selected Randomly from Three Different Schools

question 19

Essay

SAT scores for students selected randomly from three different schools are shown below. Use a significance level of 0.05 to test the claim that the samples come from identical populations. $$\begin{array} { rcr | rcr | rcr } &\text { School A }& && \text { School B } &&& \text { School C }\\\hline 550&480&670&500&620&700&460&580&620\\400&60&520&&550&760&380&6020&470\\&&&&&&&&450\end{array}$$

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Variety and Diversity

The presence of differences and a range of various types within a group, setting, or system, often valued for enhancing richness and creativity.

Sexual Fantasies

Imagined sexual scenarios that arouse the individual, which may or may not be acted upon in real life.

Masturbation Technique

Methods or practices individuals use for self-stimulation to achieve sexual pleasure.

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Sexual activity involving stimulation of the genitalia by the use of the mouth, lips, or tongue.