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4.3.1 Statistical hypothesis testing (A-level only)

Question 3

A glaciologist is investigating the linear relationship between the annual rate of ice melt, $M$ mm, and the mean surface temperature, $T$ degrees Celsius. Which of the following is not a possible value for the calculated product moment correlation coefficient, $r$ ?

$- 0.92$
$π4\frac{\pi}{4}$
$log_{2}(2.5)$
$cos⁡(4)\cos(4)$

[2]

Markscheme

4.3.1 Statistical hypothesis testing (A-level only) Questions

A Level
Maths
4.3.1 Statistical hypothesis testing (A-level only)

178 exam-style questions on WJEC A Level Maths 4.3.1 Statistical hypothesis testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

4.3.1 Statistical hypothesis testing (A-level only)

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4.3.1 Statistical hypothesis testing (A-level only)

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Question 3

$- 0.92$
$π4\frac{\pi}{4}$
$log_{2}(2.5)$
$cos⁡(4)\cos(4)$

[2]

Markscheme

4.3.1 Statistical hypothesis testing (A-level only) Questions

A Level
Maths
4.3.1 Statistical hypothesis testing (A-level only)

178 exam-style questions on WJEC A Level Maths 4.3.1 Statistical hypothesis testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.