Dsci 2710 - Study guides, Class notes & Summaries

DSCI 2710 Exam 1 UNT Spring 2024 Test With Solution...

statistics - correct answer a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters Why do we use statistics in business? - correct answer -quality improvement -product planning -forecasting -yearly reports -personnel management -market research descriptive statistics - correct answer ...

Descriptive statistics - correct answer Collect and describe data Inferential Statistics - correct answer Analyze data and make decisions or estimates based on the information obtained Simple Random Sample - correct answer Each person within this sample has an equal chance to be selected Discrete Data - correct answer consists of counting nu...

Nominal Data - correct answer Data which consists of names, labels, or categories. Interval Data - correct answer differences between values can be found, but is NO absolute ZERO. Examples: temperature F, time. Ordinal Data - correct answer data exists in categories that are ordered but differences cannot be determined or they are meaningless. (Example: 1st, 2nd, 3rd) Ratio Dat...

What are the 2 areas of statistics? - correct answer Descriptive and Inferential What does descriptive statistics do? - correct answer Describes the sample then quits. The sample average is called a - correct answer statistic The _______ describes a population. - correct answer parameter A sample that consists of the entire population. - ...