Model Reports Relevant to Assignment 2 In this document you’ll find all of the model reports from the text which are relevant to Assignment 2 Independent samples t-test A researcher hypothesised that...

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ANSWERS TO STA102 Assignment 2

Question 1


**a.
Dependent variable: IQ Scores
Independent variable: Internet Explorer users and Other Browser users
b. This study is Observational as all the individual users are observed in the same way as they
appear in the real life.
c. IQ scores of the people who use Internet Explorer are lower than those of people who use other
internet browser.
d. Internet users
** e. 0.002
** f. Yes t-test is significant as Sig. Value of Levene’s test for equality of variances is< 0.05 which is
showing that we cann’t assume equal variances in two IV. As Sig.(2 tailed) is significantly less than
0.05 which concludes that there is a statistically significant difference between the two conditions
(Internet Explorer and Other Explorer).
** g. 13.079 and 3.107
h. REPORT
A researcher hypothesised that the IQ scores of the people who use Internet Explorer are lower than
those of people who use other browsers.
In a random sample of 42 Internet users, the average IQ score of other browser users
(Mean- 103.62, std. error mean = 2.17, N= 22) was higher than the average of the people who uses
Internet explorer (Mean- 95.53, std. error mean = 1.13, N= 20) and an independent samples...
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