A Lamp with a Mass M Is Suspended from the Ceiling

question 83

Multiple Choice

A lamp with a mass m is suspended from the ceiling by two cords as shown. The ratio of the magnitude of the vertical component of the tension in to that in is

• A) 1:1.
• B) 1:2.
• C) .
• D) 3:2.
• E) 3:1.

Calculate the degrees of freedom for a t test.

Identify appropriate methods for checking assumptions of t procedures.

Recognize nonparametric procedures and their applicability.

Apply the one-sample t statistic to normally distributed populations.