Mathematics, 18.05.2021 04:30 quesorules7101

# 5. A consumer group is trying to determine the mean amount that a family of four spends on food per week.
They perform a phone survey of 300 random families of four and find a sample mean of $241.50 with a

standard deviation of $46.72.

(a) Determine an estimate for the standard (b) What is the margin of error for the mean

deviation of the sample means, O. Show your amount spent on food per week?

calculation.

Answers: 3

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Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

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5. A consumer group is trying to determine the mean amount that a family of four spends on food per...

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