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 $32 and standard deviation of $2. Construct a
confidence interval at a 98% confidence level.
Give your answers to one decimal place.
±
In a survey, 22 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 $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, 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 10 people were asked how much they spent on their child's last birthday gift. The results were roughly bell shaped with a mean of $34 and a standard deviation of $12. Construct a confidence interval at a 98% confidence level. Give your answers to one decimal place _________ +/- ___________
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, 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 $46 and standard deviation of $6. Construct a confidence interval at a 99% confidence level. Give your answers to one decimal place.
In a survey, 18 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 $6. Construct a confidence interval at a 80% confidence level. Give your answers to one decimal place. +
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, 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, 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. ____+-____