Page 226 - Quantitative Data Analysis

Quantitative Data Analysis
Simply Explained Using SPSS

a. Independent t-test
b. Dependent t-test
c. ANOVA
d. Correlation
e. Chi-square

Identify the type of test statistics should be used to answer following
research problems.

5. An experiment is conducted to show that blood pressure
levels can be consciously reduced in people trained in this
program. The blood pressure measurements (in millimeters
of mercury) listed in the table represents readings before
and after the biofeedback training of five subjects. Test
whether the mean blood pressure is different after training.
Dependent Variable: _____________________________
Independent Variable: ____________________________
Type of Test Statistic: _____________________________

6. A researcher selects five participants who are terribly afraid
of dogs and gives them a new therapy to reduce their fear.
She tests them on their fear of dogs before the therapy and
after the therapy (0 = not fearful, 20 = fearful). Which
analysis is most appropriate test for this study?
Dependent Variable: _____________________________
Independent Variable: ____________________________
Type of Test Statistic: _____________________________
7. A researcher is interested in pizza liking from the peoples of
Islamabad and Rawalpindi. He/she randomly selected 70
people from Islamabad and 90 from Rawalpindi and ask
them to rate how much they like their city's pizza from 0 to

The Theory and Applications of Statistical Inferences 210