In a survey, 25 people were asked how much they spent on their child's last birthday gift. The resultswere roughly bell-shaped with a mean of $31 and standard deviation of $14. Construct a confidenceinterval at a 80% confidence level.Give your answers to one decimal place.Interpret your confidence interval in the context of this problem.

Name: In a survey, 25 people were asked how much they spent on their child'
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: In a survey, 25 people were asked how much they spent on their child's last birthday gift. The resultswere roughly bell-shaped with a mean of $31 and standard deviation of $14. Construct a confidenceinterval at a 80% confidence level.Give your answe

Math

Statistics

na 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 $31 and standard deviation of s14. Construct a confidence interval at a 80% confidence level. Give your answers to one decimal place. Interpret your confidence interval in the context of this problem.

na 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 $31 and standard deviation of s14. Construct a confidence interval at a 80% confidence level. Give your answers to one decimal place. Interpret your confidence interval in the context of this problem.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Please help answer this question
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 $45 and standard deviation of $10. 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 $36 and standard deviation of $18. Construct a confidence interval at a 80% confidence level. Give your answers to one decimal place. 士
In a survey, 32 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $41 and standard deviation of $12. Construct a confidence interval at a 95% confidence level.Give your answers to one decimal place.
Get an education: In 2012 the General Social Survey asked 844 adults how many years of education they had. The sample mean was 8.54 years with a standard deviation of 8.58 years.
In a survey, 20 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $31 and standard deviation of $17. Construct a confidence interval at a 95% confidence level.Give your answers to one decimal place.
In a survey, 17 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 $5. Construct a confidence interval at a 90% confidence level. Give your answers to one decimal place. +
In a survey, 23 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 $8. Construct a confidence interval at a 98% confidence level. Give your answers to one decimal place. Interpret your confidence interval in the context of this problem.
I'm stuck on part 2. Can you work the problem and explain how to get the answer to part B? If it can be put into the calculator, I can't remember the process. Please explain. Thank you. Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 1100 adults in a country, 68% think teaching is one of the most important jobs in the country today. The survey's margin of error is ±4%. Question content area bottom Part 1 The confidence interval for the proportion is . 64.64,. 72.72. (Round to three decimal places as needed.) Part 2 The interval is a enter your response here% confidence interval. (Round to one decimal place as needed.)
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 $49 and standard deviation of $13. Construct a confidence interval at a 99% confidence level.Give your answers to one decimal place.
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 $47 and standard deviation of $6. Construct a confidence interval at a 80% confidence level. Give your answers to one decimal place. H
A researcher wants to conduct an experimental study on the effect of learning strategies (cooperative and conventional) and learning interest (low, medium, and high) on learning outcomes. The total number of research samples is 90 students and each cell is 15 students. You determine the research data on the learning outcomes yourself. Interpret the results of the research data analysis.