In a survey, 24 people were asked how much they spent on their
child's last birthday gift. The results were roughly bell-shaped
with a mean of $43.6 and standard deviation of $11.1. Estimate how
much a typical parent would spend on their child's birthday gift
(use a 98% confidence level). Give your answers to 3 decimal
places.
Express your answer in the format of x bar ± E.
$ ___ ± $ ___
In a survey, 24 people were asked how much they spent on their child's last birthday...
In a survey, 21 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $36.4 and standard deviation of $13.4. Estimate how much a typical parent would spend on their child's birthday gift (use a 80% confidence level). Give your answers to 3 decimal places. Express your answer in the format of x̅ ± E.
In a survey, 25 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $49 and standard deviation of $11. Estimate how much a typical parent would spend on their child's birthday gift (use a 98% confidence level). Give your answers to one decimal place. Provide the point estimate and margin or error.
In a survey, 22 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $46 and standard deviation of $12. Estimate how much a typical parent would spend on their child's birthday gift (use a 98% confidence level). Give your answers to one decimal place. Provide the point estimate and margin or error. ±± Do you add ( ) when answering?
In a survey, 13 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $39 and standard deviation of $18. Estimate how much a typical parent would spend on their child's birthday gift (use a 95% confidence level). Give your answers to one decimal place. Provide the point estimate and margin or error.
In a survey, 25 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $36 and standard deviation of $16. Estimate how much a typical parent would spend on their child's birthday gift (use a 95% confidence level). Give your answers to one decimal place. Provide the point estimate and margin or error.
In a survey, 16 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $38 and standard deviation of $13. Estimate how much a typical parent would spend on their child's birthday gift (use a 99% confidence level). Give your answers to one decimal place. Provide the point estimate and margin or error. ±±
In a survey, 15 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $42 and standard deviation of $5. Estimate how much a typical parent would spend on their child's birthday gift (use a 90% confidence level).Give your answers to one decimal place. Provide the point estimate and margin or error.Do you add ( ) when answering?
In a survey, 39 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $40 and standard deviation of $4. Calculate, state, and interpret a 95% confidence interval to estimate the mean amount of money parents spend on their child's birthday gift. Round to the nearest 100th where necessary.
In a survey, 30 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $37 and standard deviation of $13. Construct a confidence interval at a 98% confidence level. Give your answers to one decimal place.
In a survey, 15 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $40 and standard deviation of $7. Find the margin of error at a 95% confidence level.