Question

Compute the range and sample standard deviation for strength of the concrete​ (in psi). 3930 4080...

Compute the range and sample standard deviation for strength of the concrete​ (in psi).

3930
4080
3100
3100
2970
3830
4080
4050

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Sol:

create below table for standard deviation

s=

sample standard deviation

=493.8984858

Range =max-min

=4080-2970

=1110

=

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