3 years ago

Who swam faster explain please.

Mathematics

2 answers:

beks73 [17]3 years ago

6 0

I see a faint circle around Tawni made of pencil, so its most likely Tawni.

slavikrds [6]3 years ago

6 0

It has to be twani because look at i close

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For an independent-measures research study (i.e., independent measures t Test), the data show an 8-point difference between the

zloy xaker [14]

Answer:

C. 2

Step-by-step explanation:

Cohen's d is a parameter used to express the standardised difference between two means. It is defined as the difference between the means divided by the pooled standard deviation.

In this case, the difference between both means (M2-M1) is 8. As for the pooled standard deviation, simply take the square root of the given pooled variance:

$S=\sqrt{S^2}\\S=\sqrt{16} \\S= 4$