Stats Quiz 1

Statistics is...

• The science of conducting studies to collect organize summarize analyze and draw conclusions from data

• A characteristic or attribute that can assume different values

• Values that the variable can assume

• A group in an experiment study that has received some type of treatment

Descriptive statistics

• A group of subjects selected from a population

• Consists of the collection organization summarization and presentation of date

• Consists of generating from samples to populations, performing estimations and hypothesis tests, determining relationships among variables, and making predictions.

• A decision making process for evaluating claims about a population, base on information obtained from samples.

Inferential statistics

• A chance of an event occurring

• Consists of the collection organization summarization and presentation of date

• A characteristic or attribute that can assume different values

• Consists of generating from samples to populations, performing estimations and hypothesis tests, determining relationships among variables, and making predictions.

36% of young adults were living in their parents´ home in 2013

• Descriptive Stats

• Inferential Stats

Population

• A group of subjects selected from a poplulation

• Each value in a set

• All subjects that are being studied

• A collection of data values

Sample

• The 20 randomly chosen nurses

• All the full-time nurses who work at the hospital

Sample

• Each value in a set

• A collection of data values

• All subjects that are being studied

• A group of subjects selected from a poplulation

Population

• The 20 randomly chosen nurses

• All the full-time nurses who work at the hospital

Qualitative

• Variables that have distinct categories according to some characteristics or attributes

• Variables that can be counted or measured

• Sizes of soft drinks sold by a fast food restaurant (small, medium, and large)

• Microwave wattage

Quantitative

• Variables that have distinct categories according to some characteristics or attributes

• Variables that can be counted or measured

• Sizes of soft drinks sold by a fast food restaurant (small, medium, and large)

• Microwave wattage