CUET Mathematics - From a population having a mean of 20 and standard deviation 2, a random sample of size 64 is taken and its mean is found to be 19.5. The test statistic to test that the sample is taken from the population is | PYQs + Solutions

CUET Mathematics 2022 25 May Shift 1

Applied Mathematics

Easy

$-2$

$-0.5$

$0.25$

✅ Correct Option: 2

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Which of the following is not a statistic ?

22 May Shift 3

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 :

CUET Mathematics 2022 25 May Shift 1 PYQs