Statistics
Mean, median mode and range (find missing data)
Interactive practice questions
$5$5 numbers have a mean of $7$7. If $4$4 of the numbers are $10$10, $10$10, $8$8 and $7$7 and the last number is $x$x, solve for the value of $x$x.
Easy
1min
The mean of $4$4 scores is $21$21. If three of the scores are $17$17, $3$3 and $8$8, find the $4$4th score, $x$x.
Easy
2min
Han wants to try out as a batsman for a cricket team. In his last three matches, he scored $61$61, $75$75 and $66$66 runs. In his last match before trying out, he wants to lift his mean to $70.75$70.75. If $x$x is the number of runs he needs to score to achieve this, find $x$x.
Easy
2min
Consider the frequency distribution table :
Easy
5min
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