The calculator screens summarize a data set. 
a. Identify the lower and upper quartiles of the data set. b. Find the interquartile range. c. Is there reason to suspect that the data may contain an outlier? Explain.
Definitions:
Background Knowledge
The information that is already known by an individual, which helps in understanding new information.
Predictive Validity
An assessment of whether a test measures what it’s intended to measure, based on whether the test score correlates with another relevant criterion measured later.
Validity
The extent to which a method or procedure measures what it is supposed to measure.
Psychometric View
An approach in psychology that focuses on the measurement of mental functions, intelligence, abilities, and attitudes through the use of tests and questionnaires.
Q1: As part of an economics class project,
Q7: Parking at a university has become a
Q29: When Scholastic Achievement Test scores (SATs) are
Q57: When using data from a published source,
Q87: The amount spent on textbooks for the
Q94: Your manager will assign her 10 employees
Q143: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7516/.jpg" alt=" Using
Q203: The data below show the types
Q287: 75, 15, 3, 0.6, 0.12, .
Q388: <span class="ql-formula" data-value="\sum _ { k =