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the following table tells you how many times in a week the children visit the swimming pool?

once-10 twice-23 thrice-45 four times-18 fivetimes-4 find the mean of the data

Please find below the solution to the asked query:

We form our table from given information , As :

Number of times ( x ) |
1 | 2 | 3 | 4 | 5 | |

Number of children( f ) |
10 | 23 | 45 | 18 | 4 | $\sum _{}$f = 100 |

fx |
10 | 46 | 135 | 72 | 20 | $\sum _{}$fx = 283 |

Then ,

**Mean = $\frac{\sum _{}fx}{\sum _{}f}=\frac{283}{100}$ = 2.83 ( Ans )**

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