निम्नलिखित सारणी 400 नियॉन लैंपों के जीवन कालों (life time) को प्रदर्शित करती है:
| जीवन काल (घंटो में) | लैंपों की संख्या |
| 1500 - 2000 | 14 |
| 2000 - 2500 | 56 |
| 2500 - 3000 | 60 |
| 3000 - 3500 | 86 |
| 3500 - 4000 | 74 |
| 4000 - 4500 | 62 |
| 4500 - 5000 | 48 |
एक लैंप का माध्यक जीवन काल ज्ञात कीजिए।
Exercise-13.3-5
Download our app for free and get started
Median class = 3000 - 3500
l = 3000
h = 500
cf = 130
f = 86
Median = l + $\frac{\left(\frac{n}{2}\right)-c f}{86} \times$ 500
= 3000 + $\frac{200-130}{86} \times$500
= 3406.98 hours
l = 3000
h = 500
cf = 130
f = 86
Median = l + $\frac{\left(\frac{n}{2}\right)-c f}{86} \times$ 500
= 3000 + $\frac{200-130}{86} \times$500
= 3406.98 hours
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
No Similar Question found