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From the table given below, what is mean of marks obtained by 20 students?Marks xiNo. of Students fi31425264758392101Total20

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MCQs on data collection and presentation, geographical representation of data, central tendency measures and statistics basics.


From the table given below, what is mean of marks obtained by 20 students?</p><table style='width: 100%; text-align: center;'><tr><th>Marks x<sub>i</sub></th><th>No. of Students f<sub>i</sub></th></tr><tr><td>3</td><td>1</td></tr><tr><td>4</td><td>2</td></tr><tr><td>5</td><td>2</td></tr><tr><td>6</td><td>4</td></tr><tr><td>7</td><td>5</td></tr><tr><td>8</td><td>3</td></tr><tr><td>9</td><td>2</td></tr><tr><td>10</td><td>1</td></tr><tr><th>Total</th><th>20</th></tr></table>






 
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