Why We Need Statistics

Question 1

provides researcher with objective and consensual techniques for describing their results.

Answer 1

Statistics

Question 2

Selecting appropriate statistical test is central to?

Answer 2

Hypothesis testing

Question 3

amount of change of fluctuation we see on something

Answer 3

Variability

Question 4

the performance of the treatment groups is so similar that the process could have been sampled from the same population

Answer 4

Testing Null Hypothesis

Question 5

The odds of finding significance

Answer 5

Variability
• Directional or non-directional hypothesis

Question 6

Numerical summary of what is going on with our
data

Answer 6

Test statistics

Question 7

Summarizing data using Descriptive Statistics which are:

Answer 7

Central Tendency, Measures of Variability