Write the Word or Phrase That Best Completes Each Statement $\alpha = 0.05$

question 19

Short Answer

Write the word or phrase that best completes each statement or answers the question.
-A consumer advocacy group believes a car manufacturer is falsely advertising that its new model car still gets at least 21 miles per gallon of gas. The advocacy group believes the median miles per gallon is less than 21 . Ten cars are tested. The results are given below. Test the group's hypothesis. Use $\alpha = 0.05$ .
$\begin{array} { l l l l l l l l l l } 15.8 & 13.6 & 19.8 & 14.9 & 18 & 20.2 & 23.3 & 17.9 & 12.7 & 19 \end{array}$

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Definitions:

Social Anxiety Disorder

A mental health condition characterized by intense fear and avoidance of social situations due to perceived judgement, embarrassment, or scrutiny by others.

Selective Mutism

A disorder marked by failure to speak in certain social situations when speech is expected, despite ability to speak in other situations.

Stuttering

A speech disorder characterized by repeated or prolonged sounds, syllables, or words, disrupting the natural flow of speech.

Hopelessness

A feeling of despair and pessimism about the future, often associated with depression.