Intervalo LRC
X
7
Halla la media
aritmética para
los datos agrupados
en la anterior tabla
9
275 - 218
16
227-230
231 234
7
235-238
11
239 242
19
243 - 246
5
10
247-250
3
Para esto hallamos la sumatoria del producto de las marcas
de clase con las frecuencias absolutas.
Σf* Xi
X =
n​

Step-by-step explanation:

is a very popular and popular site for the internet and internet marketing services for all types of web sites like internet marketing services

i think the answer is b

0 and 5 minutes

step-by-step explanation:

given that one morning eight buses arrive late by the number of minutes given below:

0 8 2 6 9 2 0 7 8

write these in ascending order

0   0 2 6 7 8 8 9

in the afternoon two more buses arrive at the bus stop say by x and y minutes late.

total number of buses = 10

median = average of 4th and 5th after arranging in ascending order

since 4th entry is 6, the values of x and y should be below 6

also given 0 is the mode so either x or y or both should be 0 because then only 0 gets the maximum frequency and hence mode

thus we have

0 0 0 2 6 7 8 8 9 and another unknown entry which is below 6.

since median is 3.5, we have the unknown entry to be 5 only because then only median =( 2+5)/2

thus the after noon buses were late by 0 and 5 minutes.