# QNT 275 Week 2 Data Collection and Sampling - Learning Activities Required (Participation Responses)

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QNT 275 Week 2 Data Collection and Sampling

  Explain how to obtain a suitable sample of

  Evaluate the validity and reliability of data
to support making statistical inferences.

   Interpret numerical business data using
measures of central tendency (mean, median, and mode) and variability.

Learning Activities Required

Obtaining a Suitable Sample

Watch the "Obtaining a Suitable
Sample" video.

Sampling, Surveying, and Data
Analysis

Watch
the "Sampling, Surveying, and Data Analysis" video.

Data Bias and Error

Watch the "Data Bias and Errors" video

Eliminating Vagueness,
Ambiguity, and Bias

Watch the "Eliminating Vagueness, Ambiguity, and Bias" video

Measuring Central Tendency
and Variability

Watch the "Measuring Central Tendency and Variability" video.

Statistics Intro: Mean,
Median, and Mode

Watch the "Statistics Intro: Mean, Median, and Mode" video.

Finding the Range and
Mid-range

Watch the "Finding the range and mid-range" video.

Range, Variance, and Standard
Deviation as Measures of Dispersion

Watch "Range,
variance, and standard deviation as measures of dispersion" video.

Note: All content is

Psychology Research in
Context: Measuring Validity

Watch the "Psychology Research in Context: Measuring Validity"
video.

Deviations for a Sampling
Distribution: Reliability Measurement

Watch the "Deviations for a Sampling Distribution: Reliability
Measurement" video.

Statistics, Ch. 3

Statistics, Ch. 7

Presenting Data Effectively,
Ch. 2

the "How Do I Efficiently Locate
High-Quality Images" section in Ch. 2 "Graphics" of Presenting Data Effectively:
Communicating your Findings for Maximum Impact.

Week 2 Learning Team
Collaboration Discussion: Descriptive Statistics

Read Case Study 3.3 on page 98 in Essentials
Chapter 3.

Access the Fort Myers Sales data
set.

Calculate descriptive statistics: the
mean, median, mode, and standard deviation in the two sample periods (January
and July).

Discuss one of the following:

• What changes
occurred in the Fort Myers housing market during the 6-month period?

• What
conclusions can you draw from the data?

• What
additional data might you want, to understand the housing market better?

• What role do
descriptive statistics play in understanding the housing market?