At the US Open Tennis Championship a Statistician Keeps Track of Every

question 186

Multiple Choice

At the U.S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed of a particular player
Was 96 miles per hour (mph) and the standard deviation of the serve speeds was 9 mph. Using the
Z-score approach for detecting outliers, which of the following serve speeds would represent
Outliers in the distribution of the playerʹs serve speeds?
Speeds: 65 mph, 105 mph, and 114 mph

• A)None of the three speeds is an outlier.
• B)65 and 105 are both outliers, but 114 is not.
• C)65 is the only outlier.
• D)65, 105, and 114 are all outliers.

---

Definitions:

False Consensus Effect

The tendency to overestimate the extent to which others share our beliefs, attitudes, and behaviors.

Unconscious Mental Dynamics

Refers to the processes and interactions of mental elements within the mind that occur without conscious awareness, influencing thoughts, feelings, and behaviors.

Repressive Censoring

The act of suppressing unwelcome thoughts, feelings, or memories from consciousness, as a defense mechanism.

Parent-child Interaction

The dynamic and reciprocal communication and actions between a parent and child, which are crucial for the child's social, emotional, and cognitive development.