TABLE 11-7 a Student Team in a Business Statistics Course Designed an Designed

question 72

Short Answer

TABLE 11-7
A student team in a business statistics course designed an experiment to investigate whether the brand of bubblegum used affected the size of bubbles they could blow. To reduce the person-to-person variability, the students decided to use a randomized block design using themselves as blocks. Four brands of bubblegum were tested. A student chewed two pieces of a brand of gum and then blew a bubble, attempting to make it as big as possible. Another student measured the diameter of the bubble at its biggest point. The following table gives the diameters of the bubbles (in inches) for the 16 observations.

-Referring to Table 11-7, the among-group variation or SSA is ________.

---

Definitions:

Sports Illustrated

An American sports magazine known for its extensive coverage of all types of sports, famous for its annual swimsuit issue.

Everglades

A vast, marshy, subtropical wetland in Florida, known for its unique ecosystem and wildlife.

Pickup Truck

A light motor vehicle with an open-top rear cargo area (bed) which is often used for carrying goods.

Barack Obama

The 44th President of the United States, serving from 2009 to 2017, and the first African American to hold the office.