N A Survey, 12 People Were Asked How Much They Spent

n a survey, 12 people were asked how much they spent on their child’s last birthday gift. The sample results were roughly bell-shaped with a mean of $31 and standard deviation of $4. Find the margin of error at a 80% confidence level.Give your answer to two decimal places.

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n a survey, 12 people were asked how much they spent

Question
n a survey, 12 people were asked how much they spent on their child’s last birthday gift. The sample results were roughly bell-shaped with a mean of $31 and standard deviation of $4. Find the margin of error at a 80% confidence level.

Give your answer to two decimal places.

find the cost of your paper