The average number of days absent per term

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Reference no: EM13814037

A random sample of [n=64 children] of working mothers showed that they were absent from school a sample average of [x=5.3] days per term, with a standard deviation [s=1.8 days]. Provide a 96% confidence interval for the average number of days absent per term for all the students.

a. 5.2321 days to 5.3762 days

b. 4.8151 days to 5.7543 days

c. 4.8387 days to 5.7613 days

d. 4.7722 days to 5.8392 days

e. None of the above answers is correct.

Reference no: EM13814037

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