47 randomly selected students were asked how many siblings were in their family. Let X represent the number of pairs of siblings
in the student's family. The results are as follows:
# of Siblings 0 1 2 3 4 5 6
Frequency 4 11 8 10 6 5 3
Round all your answers to 4 decimal places where possible.
The mean is:
The median is:
The sample standard deviation is:
The first quartile is:
The third quartile is:
What percent of the respondents have at least 4 siblings?
%
94% of all respondents have fewer than how many siblings?
1 answer:
Mean: 2.238
median: 3
sample standard deviation: 2.531
first quartile: 1
third quartile: 5
what % of respondents have at least 4 siblings?
29.79%
94% of all respondents have fewer than how many siblings?
5
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