Statistics and Probability A - Types of Statistics U1

Which company below would best be served of descriptive statistics?

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

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

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

dependent variable

a stroke

Which study best exemplifies inferential statistics?

a study in the rel 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

a study found a rel between coaching style points scored in the final two minutes of a basketball game. what is the independent variable?

the coaching style

you heard that red cars get stolen more often than cars of other colors. which of the ff 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.

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

the prevalence of Type II diabetes

a study found a rel 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

which of the ff is a property of inferential statistics but not of descriptive statistics?

the use of 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.

independent variable

the arthritis drug

Which of the ff are characteristics of a descriptive statistical study?

data is collected graphs may be used the study may inspire a further study that seeks to determine the likelihood of a relationship between two or more characteristics

create a possible study not mentioned in this lesson that uses descriptive stats. explain why is it descriptive and not inferential. identify the independent and dependent variables and justify your choices.

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create a possible study not mentioned in this lesson that uses inferential stats. explain why is it inferential and not descriptive. identify the independent and dependent variables and justify your choices.

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