Dsci 2710 - Study guides, Class notes & Summaries

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

DSCI 2710 Exam 1 UNT Spring Questions & Answers. level of measurement - CORRECT ANSWER the quality of data nominal data - CORRECT ANSWER data that represents whether a variable possesses some characteristic Ex: Sex, hair color, graphical data ordinal data - CORRECT ANSWER represents categories that have an some associated order Ex: ranking Interval Data - CORRECT ANSWER the data can be ordered and the arithmetic difference is meaningful. Ex: numerical ranking, Fahren...

DSCI 2710 WRITTEN EXAM QUESTIONS AND ANSWERS. 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 numbers, or integers Continuous data - CORRECT ANSWER any value over some particular range ...

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. - ...