Report on Research Psychology

Running head: REPORT ON RESEARCH PSYCHOLOGY
Report on Research Psychology
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1REPORT ON RESEARCH PSYCHOLOGY
The given problem requires to test whether male shave different total amount of coins
than females. Therefore, independent sample t-test will be appropriate in this case (Steiger &
Fouladi, 2016). Let μ1 is the population for males and μ2 represent the population mean for
females.
1. The null hypothesis & alternative hypothesis
Null hypothesis
The population means for males and females do not differ. Thus, the null hypothesis
can be written as,
H0: μ1 = μ2.
Alternative hypothesis
The population means differ from each other. Thus, the alternative hypothesis can be
written as,
H1: μ1 ≠ μ2.
2. Level of risk
The risk level or the significance level is denoted by alpha (α). It is the probability of
rejecting the null hypothesis when the null hypothesis is true. In this problem, the level of
risk is taken as 0.05 or 5%.
3. The best statistical test
For the given problem, independent sample t test will be the most appropriate
statistical test to check if the total amount in coins is different for males and females. It is the
most common and useful test for comparing the means of two different data sets.