State which type of parameter is to be estimated, and the correct method for the following....
State which type of parameter is to be estimated, and the correct method for the following. Do not solve.
A simple random sample of size 23 has mean 3.61. The population standard deviation is 1.79. The population is approximately normally distributed. Construct a 90% confidence interval for the population mean.
1. The parameter is the population (choose one) mean, proportion, standard deviation, variance
2. The correct method to find the confidence interval is the (choose one) z, t, chi-square method
Homework Answers
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State which type of parameter is to be estimated, and the
correct method for the following....
A simple random sample of size 14 has mean 3.67 and standard deviation 1.75. The population...
A simple random sample of size 14 has mean 3.67 and standard deviation 1.75. The population is approximately normally distributed. Construct a 99% confidence interval for the population mean. 1. The parapmeter is the population (choose one) mean, standard deviation, variable, proportion 2. The correct method to find the confidence interval is the (choose one) z, t, chi square method
A simple random sample of size 39 has mean 3.64. The population standard deviation is 1.55....
A simple random sample of size 39 has mean 3.64. The population standard deviation is 1.55. Construct a 95% confidence interval for the population mean. 1.The parameter is the population (choose one) mean, proportion, standard deviation, variance 2. The correct method to find the confidence interval is (choose one) z, t, chi square method
Part 13 Part 2 of 3 (b) A simple random sample of size 48 has mean...
Part 13 Part 2 of 3 (b) A simple random sample of size 48 has mean x = 3.04. The population standard deviation is o=1.83. Construct a 90% confidence interval for the population mean, The parameter is the population (Choose one) The correct method to find the confidence interval is the (Choose one) method. Ichi-square
A random sample of 49 observations is used to estimate the population variance. The sample mean a...
A random sample of 49 observations is used to estimate the population variance. The sample mean and sample standard deviation are calculated as 59 and 3.1, respectively. Assume that the population is normally distributed. (You may find it useful to reference the appropriate table: chi-square table or F table) a. Construct the 90% interval estimate for the population variance. (Round intermediate calculations to at least 4 decimal places and final answers to 2 decimal places.) Confidence interval b. Construct the...
A simple random sample of size n is drawn from a population that is normally distributed
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x̅, is found to be 109 , and the sample standard deviation, 5 , is found to be 12 .(a) Construct a 96 % confidence interval about μ if the sample size, n, is 23 .(b) Construct a 96 % confidence interval about μ if the sample size, n, is 16 .(c) Construct a 90 % confidence interval about μ if...
A through D please Objective 4: Construct and Interpret a Confidence Interval for a Population Mean...
A through D please
Objective 4: Construct and Interpret a Confidence Interval for a Population Mean 9.2 Estimating a Population Mean 9.2.17 O of 1 Point Question Help A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 114, and the sample standard deviation, s, is found to be 10. (a) Construct an 80% confidence interval about if the sample size, n, is 23. (b) Construct...
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 106, and the sample standard deviation, s, is found to be 10. (a) Construct a 90% confidence interval about u if the sample size, n, is 22. (b) Construct a 90% confidence interval about u if the sample size, n, is 27. (c) Construct a 99% confidence interval about u if the sample size, n, is...
a ) ( mean, proportion, standard deviance or variance ) B ) is n > 30...
a ) ( mean, proportion, standard deviance or variance )
B ) is n > 30
C ) determine the parameter to be tested
D ) determine the test to be performed
B )
Determine the parameter to be tested, and the test to be performed. Part: 0 / 6 Part 1 of 6 A simple random sample of size 13 has mean x = 9.4. The population standard deviation is o = 3.72. The population is normally distributed. Can...
rom a population that is normally distributed. The sample mean is found to be x-69 and...
rom a population that is normally distributed. The sample mean is found to be x-69 and he sample standard deviation is found to be s-12. Construct a 90% confidence interval A simple random sample of size n-16 s drawn about the population mean. The 90% confidence interval is OD (Round to two decimal places as needed.)
A simple random sample of size n = 20 is drawn from a population that is...
A simple random sample of size n = 20 is drawn from a population that is normally distributed. The sample mean is found to be x = 66 and the sample standard deviation is found to be s = 10. Construct a 90% confidence interval about the population mean.
Part 13 Part 2 of 3 (b) A simple random sample of size 48 has mean x = 3.04. The population standard deviation is o=1.83. Construct a 90% confidence interval for the population mean, The parameter is the population (Choose one) The correct method to find the confidence interval is the (Choose one) method. Ichi-square
A random sample of 49 observations is used to estimate the population variance. The sample mean and sample standard deviation are calculated as 59 and 3.1, respectively. Assume that the population is normally distributed. (You may find it useful to reference the appropriate table: chi-square table or F table) a. Construct the 90% interval estimate for the population variance. (Round intermediate calculations to at least 4 decimal places and final answers to 2 decimal places.) Confidence interval b. Construct the...
A through D please
Objective 4: Construct and Interpret a Confidence Interval for a Population Mean 9.2 Estimating a Population Mean 9.2.17 O of 1 Point Question Help A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 114, and the sample standard deviation, s, is found to be 10. (a) Construct an 80% confidence interval about if the sample size, n, is 23. (b) Construct...
A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 106, and the sample standard deviation, s, is found to be 10. (a) Construct a 90% confidence interval about u if the sample size, n, is 22. (b) Construct a 90% confidence interval about u if the sample size, n, is 27. (c) Construct a 99% confidence interval about u if the sample size, n, is...
a ) ( mean, proportion, standard deviance or variance )
B ) is n > 30
C ) determine the parameter to be tested
D ) determine the test to be performed
B )
Determine the parameter to be tested, and the test to be performed. Part: 0 / 6 Part 1 of 6 A simple random sample of size 13 has mean x = 9.4. The population standard deviation is o = 3.72. The population is normally distributed. Can...
rom a population that is normally distributed. The sample mean is found to be x-69 and he sample standard deviation is found to be s-12. Construct a 90% confidence interval A simple random sample of size n-16 s drawn about the population mean. The 90% confidence interval is OD (Round to two decimal places as needed.)
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