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Table 2 Descriptive statistics for the test performance scores for Group A and Group B

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Table 2:  The results obtained from the experiment are summarised in Table 2.

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Table 2:  The results obtained from the experiment are summarised in Table 2.

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Table 1:  Cut and past this word table into your response adding the check marks in the appropriate column 

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Table 1:  Cut and past this word table into your response adding the check marks in the appropriate column 

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Research might have already been carried out

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Research might have already been carried out

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group b (the ones with unlimited recreational screen time) will get a worse score in the test than group a (the ones with limited recreational screen time)

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the mean median and mode for group a are all higher than those of group b, suggesting that in general the results of group a are higher than those of group b . However standard deviation of group b is higher meaning there is a larger range of results in group b than group a

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students could answer questions about their average daily screen time and the pupils with most similar screen time average could be paired together

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students could answer questions about their average daily screen time and the pupils with most similar screen time average could be paired together

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It suggests that a higher amount of recreational screen time has a significantly negative effect on academic performance. (Higher mean test scores for group A than group B).

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the mean suggests that group A had better academic performance overall compared to group B and so suggests that screen time results in worse academic performance. The standard deviation suggests that there was a wider range of scores in group B than group A 

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the mean suggests that group A had better academic performance overall compared to group B and so suggests that screen time results in worse academic performance. The standard deviation suggests that there was a wider range of scores in group B than group A 

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mann-whitney as it is testing a difference of having no recreational screen time on exam performance and unlimited recreational screen time. the data is ordinal as the difference between each test score is not fixted and also it uses independent design.