Which of the following is not a statistic ? Option 1: The mean marks of 100 student in a school of strength 2000 Option 2: the median height of 100 students in a school of strength 2000 Option 3: the mean salary of all workers of an organization Option 4: the mean salary of randomly selected half of all employees of an organization

The answer is 'the mean salary of all workers of an organization'. View full solution:

CUET Mathematics - Which of the following is not a statistic ? | PYQs + Solutions

CUET Mathematics 2023 7 June Shift 1

Applied Mathematics

Easy

The mean marks of 100 student in a school of strength 2000

the median height of 100 students in a school of strength 2000

the mean salary of all workers of an organization

the mean salary of randomly selected half of all employees of an organization

✅ Correct Option: 3

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A simple random sample consists of five observations 2, 4, 7, 12, 15. The point estimate of the population mean is :

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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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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: