mode for the given MARKS FREQUENCY
0-5 0
5-10 1
10-15 1
15-20 10
20-25 11
akshayegreat:
details please
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From the table:
Modal class = 20 - 25
l = 20; h = 5; f1 = 11; f0 = 10; f2 = 0
Mode =![l + [ \frac{f_1-f_0}{2f_1-f_0-f_2}] * h l + [ \frac{f_1-f_0}{2f_1-f_0-f_2}] * h](https://tex.z-dn.net/?f=l+%2B+%5B+%5Cfrac%7Bf_1-f_0%7D%7B2f_1-f_0-f_2%7D%5D+%2A+h)
=![20 + [ \frac{11-10}{2(11)-10-0}] * 5 20 + [ \frac{11-10}{2(11)-10-0}] * 5](https://tex.z-dn.net/?f=20+%2B+%5B+%5Cfrac%7B11-10%7D%7B2%2811%29-10-0%7D%5D+%2A+5)
=![20 + [ \frac{1}{12}] * 5 20 + [ \frac{1}{12}] * 5](https://tex.z-dn.net/?f=20+%2B+%5B+%5Cfrac%7B1%7D%7B12%7D%5D+%2A+5)
= 20 + 0.4
= 20.4
Modal class = 20 - 25
l = 20; h = 5; f1 = 11; f0 = 10; f2 = 0
Mode =
=
=
= 20 + 0.4
= 20.4
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