Probability & Statistics Review/Quiz #2 Week 11

Probability & Statistics Review/Quiz #2 Week 11

by Benny Herrera

Multiple Choice

What word best describes this definition: the group of individuals that we’d like to know about.

• Population

• Parameter

• Sample

• Statistic

Multiple Choice

What word best describes this definition: the subset of the population that is actually studied.

• Population

• Parameter

• Sample

• Statistic

Multiple Choice

What word best describes this definition: a numerical value that is calculated from a sample. Mean or average from the sample, denoted x̄ (x-bar).

• Population

• Parameter

• Sample

• Statistic

Multiple Choice

The average annual salary for 35 of a company's 1200 accountants is $68,000.

• Parameter

• Statistic

Multiple Choice

Sixty-two of the 97 passengers aboard the Hindenburg airship survived its explosion.

• Parameter

• Statistic

Multiple Choice

In a recent survey of 1503 adults in the United States, 53% said they use both a landline and a cell phone

• Parameter

• Statistic

Multiple Choice

In  a recent year, the average math scores for all graduates on the ACT was 21.1.

• Parameter

• Sample

Multiple Choice

Which of the following lists all parts of the five number summary?

• A. Mean, Median, Mode, Range, and Total

• B. Minimum, Lower Quartile, Median, Upper Quartile, and Maximum

• C. Smallest, Q1, Q2, Q3, and Q4

• D. Lower Quartile, Upper Quartile, Range, Mean, and Median

Multiple Choice

What is the median of the data?

• 200

• 100

• 140 

• 104

Multiple Choice

When finding median and the middle has two numbers instead of one, what do you do?

• Take the higher number

• Take Both

• Take the lower number

• Take the average