To Compute an Interval Estimate for the Difference Between the Means

question 31

Multiple Choice

To compute an interval estimate for the difference between the means of two populations, the t distribution

• A)is restricted to small sample situations
• B)is not restricted to small sample situations
• C)can be applied when the populations have equal means
• D)None of these alternatives is correct.

---

Definitions:

Uranium-235

An isotope of uranium making up about 0.7% of natural uranium, significant for its ability to undergo fission and its use in nuclear reactors and weapons.

Neutrons

Subatomic particles present in the nucleus of an atom, carrying no electrical charge and having a mass slightly larger than that of protons.

Uranium

A heavy, silvery-white metallic element, radioactive and used as fuel in nuclear reactors and weapons.

Isotope

Variants of a particular chemical element which differ in neutron number but have the same number of protons.