Sample Examination One - La Jolla High School
Sample Examination One - La Jolla High School
Sample Examination One - La Jolla High School
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10 Sarnple <strong>Examination</strong> <strong>One</strong> Section E<br />
t9. Which of the folloning is true?<br />
I. A simple random sample is any sampling technique where each element of the<br />
population has the same chance of being selected.<br />
Il. A sirnple random sample is a sample where every set of n elements in the<br />
population has the same chance of being selected.<br />
III. From a population of ,\':1 0 there are 90 equally likely possible samples of size<br />
2 if we are sampling *,ithout replaceinent.<br />
(A) I only<br />
(B) lI only<br />
(C) III only<br />
(D) I and II only<br />
(E) I, II, and III<br />
20. Which statement is true about the boxplot below?<br />
I. It is a left skewed distribution u'hich has outliers.<br />
II. It is a symmetrical distribution u'hich has outliers.<br />
III. The interquartile range is less than 1.<br />
IV. Approximately 75o/o of the observations have a GPA less than 3,<br />
(A) I only<br />
(B) ll only<br />
(C) II and III<br />
(D) III and IV only<br />
(E) I, III, and IV<br />
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