railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Elementary Statistics

निम्नलिखित बंटन का माध्यक क्या है?

वर्ग 100-150 150-200 200-250 250-300 300-350

बारंबारता 22 18 25 15 20

1

225

2

210

3

220

4

240

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