Math 110 questions and answers 2025

Math 110 questions and answers 2025
Datum

A single piece of information.

Data

Plural for datum.

Population

A collection of data, typically too large to gather.

Sample

A subset of a population(hopefully representative). Used to make inferences about a
Population.

Parameter

A measure taken from a population. Can be an average or %. To find a parameter of interest,
how is data being measured?

Statistic

A measure from a sample(average or %) that is used to estimate a parameter.

Error

Right answer(parameter) - estimate(statistic).
Unknowable when parameter is unknown.

Descriptive Statistics

Summarizing data through averages, %s, graphs, etc.

Inferential Statistics

Using probability/statistics to make conclusions about unknown population parameters.

, Data Types

Categorical.
Quantitative.
Discrete Quantitative Data
Continuous Quantitative Data

Categorical Data

Non-quantities.
(color, zip code[numerical but not quant], names.

Quantitative Data

Quantities(measured or counted).
(Temp, length, age).

Discrete Quantitative Data

Counted quantities(Separated by gaps).
(# of ppl, amount of $ in pocket).

Continuous Quantitative Data

Measured quantities(no gaps b/w measurements).
(Temp, weight).

Levels of Measurement

Nominal.
Ordinal.
Interval.
Ratio.
Meaningful order, Meaninful Differences, Meaninful Zeros/Ratios.

Lvl of Measurement: Nominal

Zip code, color, names, Mt. Sac Buildings