The numbers of hours worked (per week) by 400 statistics students are shown below. 
The percentage of students who work at least 20 hours per week is
Definitions:
Solo-Income
Describes a household or family situation where only one member is generating income, often leading to economic constraints and specific social dynamics.
Leisure Activities
Various forms of recreational activities or hobbies that individuals engage in during their free time for enjoyment and relaxation.
Cohabitation
The act of living together and having a sexual relationship without being married.
Marital Satisfaction
The state of contentment and fulfillment experienced within a marital relationship, often measured through aspects such as emotional intimacy, communication, and mutual respect.
Q6: In a questionnaire, respondents are asked to
Q45: Which of the following is not a
Q57: The numbers of hours worked (per week)
Q62: The descriptive measure of variability that is
Q67: If a data set has an even
Q68: What is the equation for the rate
Q71: The probability distribution for the number of
Q72: A weighted average of the values of
Q77: The weight of football players is normally
Q84: What is the major organic product obtained