प्रश्न 7
मध्यममौलिक प्रश्नFind the median of the following observations: 7, 9, 12, 9, 14, 16, 9, 20.
उत्तर और हल देखें
सहीसही नहींउत्तर B
सही उत्तर: B
हल
Arrange the values in order first: 7, 9, 9, 9, 12, 14, 16, 20.
There are 8 observations, an even number, so the median is the mean of the 4th and 5th values.
Those are 9 and 12, so the median is .
ध्यान देने योग्य
The 9 on offer is the mode, the value that appears most often, and the 12 is the mean, . All three are measures of central tendency and all three are different here, which is exactly why the question names one.
- संकल्पना
- Median of an even number of observations
- सामान्य समयसामान्य
- 70 से.
- आपका समयआपका
- —
इस अध्याय का अभ्यास करें →
माध्य, माध्यक और बहुलक से दस प्रश्न, अपनी गति से।