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natta225 [31]
3 years ago
14

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?
Mathematics
1 answer:
hammer [34]3 years ago
7 0
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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<span>CD's must be 40 or below, so CD's total≤ 40
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27+x=40(max)
x=(40-27)
x=13 CDs can be bought, at maximum
so (CDs purchased)</span><span> ≤ 13
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Step-by-step explanation:

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musickatia [10]

Answer:

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Picture contains the work you should show for questions 5 and 6.

3 0
2 years ago
Which shows the equation below written in the form ax2 + bx + c = 0?
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3 0
3 years ago
A study of commuting times reports the travel times to work of a random sample of 1010 employed adults in Chicago. The mean is x
MrMuchimi

Answer:

standard error of the mean = 1.6960

Step-by-step explanation:

Given -

Mean (\overline{X}) = 53 minutes

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3 0
3 years ago
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