Question

6 measurements we're made of the mineral content in person of spinach with the following results....

6 measurements we're made of the mineral content in person of spinach with the following results. It is reasonable to assume that the population is approximately normal. 19.1, 20.1, 20.8, 19.9, 20.5, 21.7 Find the lower bound of the 95% confidence interval for the true mineral content.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

---------------------------------------------------------------------------------------

20.35 +/- 2.57 ( 0.88 / √ 6 )

20.35 +/- 0.92

( 19.43 , 21.27 )

Lower Bound At 95 % C I is 19.43

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Six measurements were made of the mineral content (in percent) of spinach, with the following results....
Six measurements were made of the mineral content (in percent) of spinach, with the following results. It is reasonable to assume that the population is approximately normal 19.1, 20.1, 20.8, 20.5, 20.5, 19.5 Find the lower bound of the 95% confidence interval for the true mineral content. Round to three decimal places (for example: 20.015)Write only a number as your answer . Do not write any units.
Six measurements were made of the mineral content of spinach, with the following results. Assuming that...
Six measurements were made of the mineral content of spinach, with the following results. Assuming that the population is normally distributed, construct a 99% confidence interval for the population standard deviation of the mineral content of spinach, and write a sentence that interprets the interval. 19.1 20.8 20.8 21.4 20.5 19.7
Six measurements were made of mineral content (in percent) of spinach. It is reasonable to assume...
Six measurements were made of mineral content (in percent) of spinach. It is reasonable to assume that the population is approximately normal. 19.3 20.9 20.6 21.4 20.9 19.2 construct confidence interval for the mean mineral content, round answer to two decimal place 99.9% confidence interval for the mean mineral content is ? < u < ?
Question 6 A random sample of 13 DVD movies had a mean length of 115.1 minutes,...
Question 6 A random sample of 13 DVD movies had a mean length of 115.1 minutes, with a standard deviation of 64.7 minutes. Find the lower bound of the 90% confidence interval for the true mean length of all Hollywood movies. Assume movie lengths to be approximately normally distributed. Round to one decimal place (for example: 108.1). Write only a number as your answer. Do not write any units. Question 7 Six measurements were made of the mineral content (in...
*Please Answer All * 1. A company has developed a new type of light bulb and...
*Please Answer All * 1. A company has developed a new type of light bulb and wants to estimate its mean lifetime. A simple random sample of 12 bulbs had a sample mean lifetime of 651 hours with a sample standard deviation of 31 hours. It is reasonable to believe that the population is approximately normal. Find the lower bound of the 95% confidence interval for the population mean lifetime of all bulbs manufactured by this new process. Round to...
Six measurements were made of the magnesium ion concentration(in parts per million, ppm) in a city's...
Six measurements were made of the magnesium ion concentration(in parts per million, ppm) in a city's municipal water supply, with the following results. It is reasonable to assume that population is approximately normal 189 171 192 244 184 136 Construct a 98% confidence interval for the mean magnesium ion concentration
The following measurements (in picocuries per liter) were recorded by a set of radon gas detectors...
The following measurements (in picocuries per liter) were recorded by a set of radon gas detectors installed in a laboratory facility: 185.3,194.6,150.7 Using these measurements, construct a 95% confidence interval for the mean level of radon gas present in the facility. Assume the population is approximately normal. Step 4 of 4 : Construct the 95% confidence interval. Round your answer to two decimal places.
The following measurements (in picocuries per liter) were recorded by a set of argon gas detectors...
The following measurements (in picocuries per liter) were recorded by a set of argon gas detectors installed in a research facility: 831.7, 847.2, 820.9, 826.3 Using these measurements, construct a 95% confidence interval for the mean level of argon gas present in the facility. Assume the population is approximately normal. Step 1. Calculate the sample mean for the given sample data. Round your answer to two decimal places. Answer: ____________________ Step 2. Calculate the sample standard deviation for the given...
A simple random sample of 12 e-readers of a certain type had the following minutes of...
A simple random sample of 12 e-readers of a certain type had the following minutes of battery life. 287, 311, 262, 392, 313, 316, 280, 316, 286, 333, 329, 291 Assume that it is reasonable to believe that the population is approximately normal and the population standard deviation is 75. What is the upper bound of the 95% confidence interval for the battery life for all e-readers of this type?
Independent samples from two regions of the same area gave the following chemical measurements (ppm). Assume...
Independent samples from two regions of the same area gave the following chemical measurements (ppm). Assume the population distributions are approximately normal. Region 1: 438, 306, 402, 1155, 1075, 500, 340 Region 2: 778, 387, 816, 767, 479, 710, 389, 826 Find a 90% confidence interval for the difference between the means. (a) What is the point estimate? (b) What is the margin of error? (c) What is the lower limit? (d) What is the upper limit? (e) What is...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT