An experiment was conducted to measure the effectiveness of various feed supplements on the growth rate of chickens. A five number summary of the weights of the chicks in grams six weeks after hatching is as follows. Source: Anonymous (1948) Biometrika, 35, 214.

Min = 105
Q1 = 196
Median = 263
Q3 = 317
Max = 413
1.About____percent of the chicks weigh more than 196.
2.About____percent of the chicks weigh more than 263.
3.About____percent of the chicks weigh more than 317.
4.About_____percent of the chicks weigh between 196 and 317.

1 answer

196=Q1, so 1/4 weigh less than 196. So, 3/4 = 75% weigh more than 196
and so on for the rest