Stats Chapter 1 review

The 4 basic sampling methods are random, systematic, stratified, and cluster.

D or I? The average age of people who work at LHS is 43 years.

A variable that interferes with other variables in the study is called

A study that involves no researcher intervention is called

The number of days per year that a worker calls off sick is an example of what type of data?

The group of all subjects under study is called a sample.

Temperatures of the capital cities.

2 groups are divided by grade level and then members are chosen from each group. Sampling method?

D or I? In 2029, the # of high school graduates will be 3.2 million.

Discrete or continuous? Ages of people working in at Dunkin

D or I? A diet high in fruits and vegetables can lower blood pressure.

Data that can be classified according to genres of music are measured on what scale?

Classification of automobiles as subcompact, compact, standard, and luxury.

The weight of pumpkins is considered to be a continuous variable.

Discrete or continuous? The number of Powerball tickets sold each day at a grocery store.

Number of Steve and Irene's coupons sold for a fundraiser.

D or I? The total amount of estimated losses from hurricane Katrina was $7.6 billion.

D or I? Researchers stated that the height of a person could affect their sleep pattern.

The 2 major branches of statistics are descriptive and experimental.

Discrete or continuous? The time it takes a student to get ready for school.

Probability is used as a basis for inferential statistics.

The variable "grams" is an example of a qualitative variable.

The highest level of measurement is the interval level.

Discrete or continuous? Number of bowls of soup served at a restaurant.

Types of toppings for pizza

Discrete or continuous? The amount of flu vaccine injected into a person

Two uses of probability are insurance and weather.

Weights of suitcases on a commercial airline.