Question

Identify a research question from your professional life or career specialization (youth development) that can be addressed by an independent samples t test.

Indicate why a t test would be the appropriate analysis for this research question.

Describe the variables and their scale of measurement.

Discuss the expected outcome (for example, "The Group 1 mean score will be significantly greater than the Group 2 mean score because…")

Answer 1

Research Question: Is there any significant difference between birth weight of male and female?

If the sample size is less than 30, we can address the above research question by an independent sample t test. Since the samples be taken from two normal populations and if we want to test the means of two normal populations, we use independent sample t-test here. If the sample size of any of the sample is greater than 30, we use z-test.

One of the expected outcomes is "the group 1 mean score will be significantly greater than the group 2 mean score because the of the rejection of null hypothesis. We reject the null hypothesis if the calculated test statistic is greater than the t-tabled value.

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