A sample of 6 students has the mean marks as 4 and SD as 1.5. A second sample of 4 students has the mean marks as 9 and

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answerhappygod
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A sample of 6 students has the mean marks as 4 and SD as 1.5. A second sample of 4 students has the mean marks as 9 and

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A Sample Of 6 Students Has The Mean Marks As 4 And Sd As 1 5 A Second Sample Of 4 Students Has The Mean Marks As 9 And 1
A Sample Of 6 Students Has The Mean Marks As 4 And Sd As 1 5 A Second Sample Of 4 Students Has The Mean Marks As 9 And 1 (433.71 KiB) Viewed 95 times
A sample of 6 students has the mean marks as 4 and SD as 1.5. A second sample of 4 students has the mean marks as 9 and SD as 2.5. If two samples are combined, then find the variance of the combined samples.
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