# QNT 275 Entire Course

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QNT/275

STATISTICS FOR DECISION MAKING

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https://uopcourses.com/category/qnt-275/

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# QNT 275 Week 1 Practice: Connect Knowledge Check

Complete the Week 1 Knowledge Check in Connect.

Note: You have unlimited attempts available to complete practice assignments.

Daily temperature in a local community collected over a 30-day time period is an example of cross-sectional data.

True

False

Time series data are data collected at the same time period.

True

False

Primary data are data collected by an individual.

True

False

A random sample is selected so that every element in the population has the same chance of being included in the sample.

True

False

__________ consists of a set of concepts and techniques that are used to describe populations and samples.

Data mining

Random sampling

Time series analysis

A sequence of operations that takes inputs and turns them into outputs is a ____________.

statistical inference

process

random sampling

runs plot

Processes produce outputs over time.

True

False

Data mining

Descriptive analytics

Predictive analytics

Association learning

The number of sick days taken by employees in 2008 for the top 10 technology companies is an example of time series data.

True

False

A population is a set of existing units.

True

False

A(n) _____________ variable is a qualitative variable such that there is no meaningful ordering or ranking of the categories.

interval

ordinal

ratio

nominative

Judgment sampling occurs when a person who is extremely knowledgeable about the population under consideration selects the population element(s) that they feel is(are) most representative of the population.

True

False

A population is a set of existing units.

True

False

Processes produce outputs over time.

True

False

Primary data are data collected by an individual.

True

False

It is possible to use a random sample from a population to make statistical inferences about the entire population.

True

False

The term big data was derived from the use of survey data.

True

False