Practice Flashcards: PSAT Data — centers, chances, and what a study is allowed to say | Zestly

Question 1

Median calculation

Accepted Answer

The middle value in an ordered list, or the average of the two middle values if the set size is even.

Question 2

Outlier effect on mean

Accepted Answer

An extreme value pulls the mean toward itself, significantly changing the average.

Question 3

Outlier effect on median

Accepted Answer

The median is resistant to extreme values because it is based on the middle position rather than the magnitude of all values.

Question 4

Conditional probability

Question 5

Slope of a line

Question 6

Y-intercept of a line

Question 7

Sample limitation

Question 8

Margin of error

Question 9

Observational study limitation

Question 10

Confounding variable

Question 11

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