Type of Statistics

Which of the following are characteristics of a descriptive statistical study? Select all that apply.

- data is collected - the study's goal is to find a relationship between characteristics - graphs may be used (got semi wrong pls refer)

Which company below would best be served by use of descriptive statistics?

a company that wanted to know how close to retirement its workers were.

Which company would be best served by the use of inferential statistics?

a company that wanted to know if a new waterproofing treatment worked better than their existing treatment

Which study best exemplifies inferential statistics?

a study in the relationship between a college student's major and the salary for the first year after graduation

Which study best exemplifies descriptive statistics?

a study that reports the prices of homes sold in a city in the last year

descriptive statistics

a type of statistics with the main purpose of describing the group under study

inferential statistics

a type of statistics with the main purpose of determining if two or more characteristics of the group are related

A study found a relationship with the time spent studying for a math test and the grade on the test. What is the independent variable?

the time spent studying for the test

You heard that red cars get stolen more often than cars of other colors. Which of the following statements is correct about the independent and dependent variables in this example?

The independent variable is the color of the car. The status of whether a car is stolen is the dependent variable.

Which of the following is a property of inferential statistics but not of descriptive statistics? Select all that apply.

- the collection of data - the use of a graph to visualize the data - the use of a statistical test to determine the likelihood of a relationship between two or more characteristics of the group under study - the purpose of the study is often to find a possible cause-and-effect relationship (got semi wrong pls refer)

the coaching style

A study found a relationship between coaching style and points scored in the final two minutes of a basketball game. What is the independent variable?

A study found a relationship between the number of sugary drinks consumed by a child each day and the prevalence of Type II diabetes. What is the dependent variable?

both the prevalence of Type II diabetes and the number of sugary drinks consumed by a child during a day

a stroke

dependent variable

the arthritis drug

independent variable