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In a study, one group of participants (n1 = 46) viewed a nature documentary and another group of participants (n2 = 40) viewed a horror

In a study, one group of participants (n1 = 46) viewed a nature documentary and another group of participants (n2 = 40) viewed a horror movie. Afterwards they indicated how unpleasant or pleasant they felt on a 1-9 scale. The mean of the nature documentary group was 5.9 (SD1 = 0.3) and the mean of the horror movie group was 2.3 (SD2 = 0.3). In this study, what is the pooled variance

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