Your Mother-In-Law Says That Rubbing a Carpet Stain with Toothpaste

question 6

Multiple Choice

Your mother-in-law says that rubbing a carpet stain with toothpaste before applying stain remover helps take the stain out.You are skeptical.You asked an impartial neighbor to set up a randomized experiment to find out whether there is a relationship between the stain removing method and the outcome.She went home to collect and analyze the data, then called you and said "In a chi-square test, I would choose the alternative hypothesis," and then hung up.What do you conclude?

• A)The toothpaste didn't make a difference.
• B)The toothpaste did help after all.
• C)The toothpaste had a significant effect but you don't know in which way yet.
• D)The toothpaste made things worse.

---

Definitions:

Apocrine

A type of gland that secretes substances by pinching off portions of its cell body, found in areas like the underarm and genital region.

Cytoplasm

The fluid interior of a cell, not including the nucleus, containing organelles and facilitating many metabolic processes.

Extracellular Material

Substances found outside of cells in the body, providing structural and biochemical support to the surrounding cells.

Connective Tissue

A type of tissue that provides support, connection, or separation among various tissues and organs within the body.