Question

A researcher designed a study examining whether amount of time spent playing alone differs between boys and girls at age 3.

1) Assume data is parametric. Which statistical test would be most appropriate?

Answer 1

For the given research scenario, we are given two independent groups. There is no relationship exists between these two samples. We have to compare the population means for these two groups. So, we need to use the two sample t test (independent samples t-test) for the difference between two population means. The null and alternative hypotheses for this test are given as below:

Null hypothesis: H0: The amount of time spent playing alone do not differs between boys and girls at age 3.

Alternative hypothesis: Ha: The amount of time spent playing alone differs between boys and girls at age 3.

H0: µBoyes = µGirls versus Ha: µBoys ≠ µGirls