A researcher wants to know if babies have a preference for looking at the color

Question

A researcher wants to know if babies have a preference for looking at the color red. In the study, they are presented with color blocks, one red and one blue. They have 60 seconds to look at the block. If there is no preference, the babies should look at the red block for 30 seconds (that is also how long we'd expect them to look at the blue block). The researchers find that babies look at the red block for an average of 32 seconds. The sample = 10 babies and the data produce a SS = 246.

Given the information in this scenario, what df would you use for the hypothesis test?

Explanation / Answer

Total 10 babies will see 600 seconds.in that 246 is given

600-246=354.

In this 354, 320 seconds are for red block.

So remaining 24 seconds are also for blue block.

On an average red coloured block is more viewed

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