Applied Statistical Methods | Assignment | Answers

Running head: Applied Statistical Methods
Applied Statistical Methods
Name of the Student
Name of the University

Applied Statistical Methods2
Table of Contents
Q1...............................................................................................................................................3
Q2...............................................................................................................................................3
Q3...............................................................................................................................................3
Q4...............................................................................................................................................3
Q5...............................................................................................................................................4
Q6...............................................................................................................................................4
Q7...............................................................................................................................................4
Q8...............................................................................................................................................4
Q9...............................................................................................................................................5
Q10.............................................................................................................................................5
References:.................................................................................................................................6

Applied Statistical Methods3
Q1.
a)
Null Hypothesis: Echinacea does not decreases the length of colds.
b)
Null Hypothesis: There is no linear relation between brain size and intelligence.
c)
Null Hypothesis: The psychic can predict the outcome of a coin flip.
d)
Null Hypothesis: Pain relief remains unchanged with the drug.
Q2.
The mean with M = 60 is one standard deviation away from μ=50.As 68 % of the area lies
within one standard deviation.
Q3.
The experimenter’s confidence in the theory should decrease as the p value is higher than the
standard 0.05.
Q4.
No the researcher cannot claim that the exercise has no effect a there might be interaction
between exercise group and the diet control.