These data show the age in years of 9 members of the youth orchestra.
2 answers:
Answer:
Step-by-step explanation:
The given data is:
12,14,16,17.5,10,18,15,15.5,19
In order to find the interquartile range, we have to arrange the given data set in ascending order, thus
10, 12, 14, 15, 15.5, 16, 17.5, 18, 19
Now, the lower quartile is: 10, 12, 14, 15
Median is given as:
And the upper quartile is given as:
16, 17.5, 18, 19
Median is given as:
thus, the Interquartile range is given as:
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Answer:
Each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses
Step-by-step explanation:
Let x denotes number of boxes to be sold by each scholar to raise enough money to cover the team's travel expenses.
Number of scholars = 7
Total number of boxes
Total number of chocolate bars
Price of 1 chocolate bar = $2
Price of chocolate bars
Also,
Total amount to be raised for travel expenses = $1680
So,
Therefore,
each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses