Dataskills 2024-25

Which of these is NOT a typical assumption of parametric statistics

• Data is approximately normally distributed

• Data is continuous

• Data is from a biological system

• The sample size is reasonably large

I want to see if some data is approximately normally distributed.

What test might I choose?

• Paired T-test

• Analysis of Variance (ANOVA)

• T-Test

• Shapiro-Wilks test

We want to compare which subject group get the best marks in data skills, Biochems, Biomeds, or Biovets.

Which test would be most appropriate to compare results?

• Pearson's correlation

• Analysis of Variance (ANOVA)

• T-test

• Shapiro-Wilks test

You did that ANOVA on student results, you now want to produce a graph.

Which might be a good choice?

• Scatterplot

• Boxplot

• Histogram

The University hockey team are starting strength training. 50 of them test how much they can life in the gym. After 10 weeks of training they test again to see if they can lift more.

What test would be best to assess their progress?

• Analysis of Variance (ANOVA)

• Paired T-test

• T-test

• Pearson's correlation

You are conducting a study on health in puppies. You want to see if puppies with a greater birth weight also have a greater weight after 6 months

What test might be suitable?

• Pearson's correlation

• T-test

• Paired T-test

• Analysis of Variance (ANOVA)

Identify the statistically significant result that indicates the largest effect size

• T = 3.182, p = 0.084

• T = 4.156, p < 0.001

• T = 7.596, p = 0.246

• T = -6.542, p = 0.012