CUET Mathematics - From a sample of 5 items having values 2, 4, 6, 7, 6, the unbiased estimates of the population mean and the standard deviation are: | PYQs + Solutions

CUET Mathematics 2022 25 May Shift 1

Applied Mathematics

Medium

5, $\sqrt{2}$

5, $\frac{\sqrt{2}}{2}$

$\sqrt{5}$ , 2

5, 2

✅ Correct Option: 4

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For testing the difference between the means of two samples, the following data is available :

	Size	Mean	Variance
Sample 1	5	40	101
Sample 2	7	30	60

The value of the t-statistics is :

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A simple random sample consists of four observations 7, 8, 10, 7. The point estimate of population standard deviation is :

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Which of the following is false about the central limit theorem

CUET Mathematics 2022 25 May Shift 1 PYQs