In a survey, 27 people were asked how much they spent on their child's last birthday...
In a survey, 27 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 $11. Construct a confidence interval at a 95% confidence level. Give your answers to one decimal place. ___ ± ___
In a survey, 27 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $32 and standard deviation of $12. Construct a confidence interval at a 98% confidence level. Give your answers to one decimal place.
In a survey, 29 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 $8. Find the margin of error at a 90% confidence level.
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 $38 and standard deviation of $12. Construct a confidence interval at a 90% confidence level. Give your answers to one decimal place. It
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 $46 and standard deviation of $17. Construct a confidence interval at a 90% confidence level. Give your answers to one decimal place. ------------- ± ------------
In a survey, 11 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $44 and standard deviation (s) of $4. Construct a confidence interval at a 90% confidence level. give your answers to one decimal place. ____+-____
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 $33 and standard deviation of $10. Find the margin of error at a 99% confidence level. Give your answer to two decimal places.
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.
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.