Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a normal distribution. Round the confidence interval limits to one more decimal place than is used for the original set of data. The amounts (in ounces) of juice in eight randomly selected juice bottles are: 15.2 15.1 15.9 15.5 15.6 15.1 15.8 15.0 Find a 98% confidence interval for the population standard deviation σ. 0.22 oz < σ < 0.86 oz 0.21 oz < σ < 0.71 oz 0.21 oz < σ < 0.82 oz 0.20 oz < σ < 0.71 oz
Use the given degree of confidence and sample data to find a confidence interval for the...
Use the given degree of confidence and sample data to construct a confidence interval for the population mean μ. Assume that the population has a normal distribution The amounts (in ounces) of juice in eight randomly selected juice bottles are: 15.4 15.6 15.0 15.1 15.3 15.4 15.9 15.9 Construct a 98% confidence interval for the mean amount of juice in all such bottles OA. 15.10 oz<p<15.80 oz O B. 15.00 oz<p < 15.90 oz OC. 15.90 oz<H15.00 oz D. 15.80...
The amounts (in ounces) of juice in eight randomly selected juice bottles are: 15.2 15.5 15.9 15.5 15.0 15.7 15.0 15.7 Construct a 98% confidence interval for the mean amount of juice in all such bottles. 15.1 oz < μ < 15.8 oz 15.87 oz < μ < 15.00 oz 15.77 oz < μ < 15.10 oz 15.1 oz < μ < 15.8 oz
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a normal distribution. List the critical value(s) for full credit. Number of ounces of coffee in a 13.7oz bottle of Starbucks Frappuccino Mocha drink (measured cold at 40 degrees F): 95% confidence; n = 18, oz, s = 0.03oz.
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal places as the sample standard deviation. College students' annual earnings: 98% confidence; n = 9, sample mean is $4121, s = $873 Group of answer choices: a) $551 < σ < $1925 b) $590 < σ < $1672 c) $531 <...
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a nomn to the same number of decimal places as the sample standard deviation. al distribution. Round the confidence interval limits 7) The mean replacement time for a random sample of 20 washing machines is 10.9 years and the standard deviation is 2.7 years. Construct a 99% confidence interval for the standard deviation, o, of...
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal pl aces as the sample standard deviation. 21) A sociologist develops a test to measure attitudes about public transportation, and 27 21) randomly selected subjects are given the test. Their mean scoreis 76.2 and their standard deviation is 21.4. Construct the...
Use the given degree of confidence an sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a normal distribution. List the critical values Number of ounces of coffee in a 13.7oz bottle of Strabucks Mocha drink (measured cold at 40 degrees F): 95% confidence; n = 18, x̅ = 13.8oz, s = 0.03oz
3.) Best predicted job performace rating, explain how you found the job performance rating. 4. Contruct a 98% confidence interval for the mean amount of juice in all such bottles. Use the given data to find the best predicted value of the response variable. Points: 5 3) The regression equation relating attitude rating (x) and job performance rating (y) for the employees of a company is y = 11.7 +1.02x. Ten pairs of data were used to obtain the equation....
Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation . Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal places as the sample standard deviation. 21) A sociologist develops a test to measure attitudes about public transportation, and 27 randomly selected subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4. Construct the 95%...
QUESTION 8 Use the confidence level and sample data to find a confidence interval for estimating the population u. Round your answer to the same numbe of decimal places as the sample mean. A random sample of 1 17 full grown lobsters had a mean weight of 22 ounces and a standard deviation of 2.7 ounces. Construct a 98% confidence interval for the population mean . ?20 oz < ? < 22 oz 022 oz < ? < 24 oz...