FBISE, NCP & NBF-aligned resources for Classes 9–12

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Math Chapter 11 : Topic 2

Averages in Real Life

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A company distributes bonuses of Rs. $10,000$, $15,000$, $20,000$, and $25,000$ to four employees. The mean bonus is:

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In a survey, a city records populations (in thousands): $50$, $60$, $70$, $80$, $90$. The median population is:

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A shop sells items with prices: $50$, $60$, $50$, $70$, $50$, $80$. The mode is:

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A government allocates funds: Education $(40\%)$, Health $(30\%)$, Defense $(30\%)$. If total budget$\ \ \ = \ 100$ billion, weighted mean allocation per sector is:

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Marks of students are: $10$, $20$, $30$, $40$. If weights are $1$, $2$, $3$, $4$ respectively, weighted mean is:

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If median income of a population increases, it indicates:

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A dataset has mean$\ = 50$. If a new value $100$ is added, the mean will:

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In marketing, the most sold product is determined using:

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For even number of observations, median is:

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A project has costs: $100$, $200$, $300$ with weights $2$, $3$, $5$. Weighted mean cost is:

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If all values in a dataset are equal, then:

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Which measure is least affected by extreme values?

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Daily sales (units): $5$, $7$, $7$, $9$, $10$. Mode is:

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If weights are equal, weighted mean becomes:

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Which measure is best for income distribution analysis?

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A dataset: $2$, $4$, $6$, $8$, $100\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \rightarrow \ \ $ mean is misleading because:

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In forecasting population growth, which measure is commonly used?

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If frequency of value increases, it affects:

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A teacher gives different weights to assignments and exams. This is an example of:

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Median of $3$, $5$, $7$, $9$, $11$, $13$ is:

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Which measure helps identify the most popular brand?

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If data is highly skewed, best measure is:

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Weighted mean is useful when:

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Which measure uses all data values?

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A dataset has two modes. It is called:

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9th class objective books