Traditional Culture Encyclopedia - Traditional customs - Dictation of Chinese Characters in Traditional Cultural Literacy Competition
Dictation of Chinese Characters in Traditional Cultural Literacy Competition
(1) The sample size is:16 ÷ 0.08 = 200;
The median score in the sample falls in the fourth group;
m=200×0.40=80，
n = 24200 = 0. 12；
(2) Complete the frequency distribution histogram, as shown below:
(3)1000 (0.4+0.12) = 520 (person).
A: There are about 520 eighth-grade students in this school, and their Chinese dictation ability is excellent.
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