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Inferential testing (A-level only)

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Question 20

A Chi-square test was used to analyse the relationship between student discipline and preferred study location as shown in Table 1. The calculated value of Chi-square was 8.12.

Table 1: Preferred study location for Humanities and Science students

Preferred Location	Humanities Students	Science Students
Library	14	5
Café	4	15

Table 2: Critical values of Chi-square ( $χ2\chi^2$ )

Level of significance for a two-tailed test
df	0.1	0.05	0.01	0.001
1	2.706	3.841	6.635	10.828

Using the tables above, interpret the results of this study. Justify your answer.

[3]

Markscheme

Inferential testing (A-level only) Questions

A Level
Psychology
Inferential testing (A-level only)

121 exam-style questions on AQA A Level Psychology Inferential testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Inferential testing (A-level only)

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Inferential testing (A-level only)

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Question 20

A Chi-square test was used to analyse the relationship between student discipline and preferred study location as shown in Table 1. The calculated value of Chi-square was 8.12.

Table 1: Preferred study location for Humanities and Science students

Preferred Location	Humanities Students	Science Students
Library	14	5
Café	4	15

Table 2: Critical values of Chi-square ( $χ2\chi^2$ )

Level of significance for a two-tailed test
df	0.1	0.05	0.01	0.001
1	2.706	3.841	6.635	10.828

Using the tables above, interpret the results of this study. Justify your answer.

[3]

Markscheme

Inferential testing (A-level only) Questions

A Level
Psychology
Inferential testing (A-level only)

121 exam-style questions on AQA A Level Psychology Inferential testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Inferential testing (A-level only)

Question 20

Table 1: Preferred study location for Humanities and Science students

Table 2: Critical values of Chi-square (χ2\chi^2χ2)

Inferential testing (A-level only) Questions

Inferential testing (A-level only)

Question 20

Table 1: Preferred study location for Humanities and Science students

Table 2: Critical values of Chi-square (χ2\chi^2χ2)

Inferential testing (A-level only) Questions

Table 2: Critical values of Chi-square ( $χ2\chi^2$ )

Table 2: Critical values of Chi-square ( $χ2\chi^2$ )