CUET Mathematics - 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 : | PYQs + Solutions

CUET Mathematics 2023 22 May Shift 3

Applied Mathematics

Hard

$10\sqrt{\frac{7}{222}}$

$20\sqrt{\frac{7}{222}}$

$5\sqrt{\frac{7}{222}}$

$\sqrt{\frac{7}{222}}$

✅ Correct Option: 1

Related questions:

15 June Shift 2

Which of the following statements are true ?

(A) Central limit theorem states that the sampling distribution of the mean $(\bar{x})$ approaches a normal distribution as the sample size increases.

(B) As per Central Limit Theorem, when the sample size increases, the mean $(\bar{x})$ for the data becomes closer to the mean of overall population.

Choose the correct answer from the options given below :

25 May Shift 1

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:

11 Aug Shift 1

Which of the following is a statistic ?

CUET Mathematics 2023 22 May Shift 3 PYQs

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