Which of the Following Statements Best Describes What Is Happening

question 14

Multiple Choice

Which of the following statements best describes what is happening in a water softening unit?

• A)The hard ions in water are exchanged for ions that do not interact as strongly with soaps.
• B)The hard ions are all trapped in the softener,which filets out all the ions.
• C)The ions in the water softener are softened by chemically bonding with sodium.
• D)The sodium is removed from the water,making the water interact less with the soap molecules.
• E)none of the above

---

Definitions:

Sampling Distribution

The design of probabilities for a chosen statistic, rooted in the examination of a random sample.

Non-normally Distributed

Refers to a distribution that does not follow a normal curve, with data points that might skew or exhibit kurtosis.

Random Samples

An element of a statistical population where each constituent part has the same chance of selection.

Standard Error

A measure of the precision of a sample's mean estimate of a population mean.