US9015 1

What is Data, list 3facts

Select the real life situations where data can be collected for Statistical purposes.

• Education

• Agricultural Research

• Scientific Research

• Medical Research

Selection bias is where the sample group is

(a)  

List 5 factors that influence the collection of data.

Select the 4 Criteria for determining the trustworthiness of data.

• Dependibility

• Demand Effect

• Credibility

• Applicability

• Confirmability

Discuss the Hawthorne effect

List the factors that influence the validity of Research findings

What is the purpose of collecting data

• To solve problems in a diverse context

• Timetable for data collection

• To make decisions

• To identify factual relationships between variable quantities.

• To identify and solve problems

Data snooping comes from

(a)  

Select the factors that influence data collection

• Sample selection

• Bias

• Timetable for data collection

• Probable response and non response rates.

• Survey design