Statistics Unit 1 Review

The number of shirts of a girl's soccer team

8% of all computer owners said their computer had a malfunction that needed to be repaired

What are your top five favorite songs?

The age of each employee at a local grocery store

If there is no control group, there is no placebo

How hot is it in July in Phoenix?

This is part of the group being surveyed

The colors of automobiles on a used car lot

What is your favorite type of pizza

The names of 70 contestants are written on 70 cards. The cards are placed in a bag and picked.

The chances of winning the California Lottery are one in 22 million.

The length of time to run a marathon

Ages of students in a statistics class

How many siblings do you have?

The age of every 4th person entering a department store

To ensure customer satisfaction, every 5th phone call received will be monitored.

Average height of female students

The number of complaint letters received by the United States Postal Service in a given day.

Placebos are tools for

The number of cards drawn from a deck

Ratings of movies ranging from poor to excellent

The average age of the students in a statistics class is 22 years.

35 sophomores, 24 juniors, and 25 seniors are randomly selected from a certain high school

The length of a newborn baby

List of 1239 Social Security numbers

When the experimenter and the subjects do not know which treatment they are receiving

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

Number of questions answered incorrectly by statistics students

A researcher for an airline interviews all of the passengers on 5 randomly selected flights

Every 5th person boarding a plane is searched thoroughly

IDENTIFY POPULATION. A scientist studies a herd of mule deer to learn about their diet.

Top 3 favorite hair colors of women

A researcher interviews 50 male and 50 female teachers

What college do you plan to attend?

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

pH level of a soda

A student interviews everyone in a stats class to find the percent of students that own a car

Free throws shot in a basketball game

A poll is conducted in which professional musicians are asked their ages

A market researcher randomly selects 100 drivers under 45 years and 200 over 45 years.

IDENTIFY POPULATION. A student surveys mathematics teachers to get their opinion on teaching

In a recent year, the interest category for 12% of all new magazines was sports.

To avoid working late, the quality control manager inspects the last 10 items produced.

Colors of automobiles in a car lot

There is a relationship between smoking cigarettes and getting emphysema.

5 stats classes are randomly selected out of 20 and all of the students are interviewed

The average daily temperature on five randomly selected days

62 of the 97 passengers aboard the Hindenburg survived the explosion

What are your 3 favorite colleges?

The number of seats in a movie theater