For sample average = 1.5 and a μ = 1.52 and a s = 7 and...
For sample average = 1.5 and a μ = 1.52 and a s = 7 and a sample size n = 10, compute the t-score. Round your answers to 2 decimal places and be sure to include the negative (-) if necessary, in your answer. Enter your response in the space provided here.
Homework Answers
| sample mean 'x̄= | 1.500 |
| sample size n= | 10.00 |
| sample std deviation s= | 7.000 |
| std error 'sx=s/√n= | 2.2136 |
| test stat t ='(x-μ)*√n/sx= | -0.01 |
First sample average = 4 Second sample average = 9 SS for first sample = 16...
First sample average = 4 Second sample average = 9 SS for first sample = 16 SS for second sample = 15 Sample size for first sample = 8 Sample size for second sample = 8 Compute the t-score. Round your answers to 2 decimal places and be sure to include the negative (-) if necessary, in your answer. Enter your response in the space provided here.
First sample average = 3 Second sample average = 8 SS for first sample = 17...
First sample average = 3 Second sample average = 8 SS for first sample = 17 SS for second sample = 13 Sample size for first sample = 5 Sample size for second sample = 5 Compute the t-score. Round your answers to 2 decimal places and be sure to include the negative (-) if necessary, in your answer. Enter your response in the space provided here.
Given the following hypotheses: H0: μ = 540 H1: μ ≠ 540 A random sample of...
Given the following hypotheses: H0: μ = 540 H1: μ ≠ 540 A random sample of 10 observations is selected from a normal population. The sample mean was 550 and the sample standard deviation was 6. Using the 0.10 significance level: State the decision rule. (Negative amount should be indicated by a minus sign. Round your answers to 3 decimal places.) Compute the value of the test statistic. (Round your answer to 3 decimal places.)
Given the following hypotheses: H0: μ ≤ 13 H1: μ > 13 A random sample of...
Given the following hypotheses: H0: μ ≤ 13 H1: μ > 13 A random sample of 10 observations is selected from a normal population. The sample mean was 11 and the sample standard deviation 3.6. Using the 0.05 significance level: State the decision rule. (Round your answer to 3 decimal places.) Compute the value of the test statistic. (Negative answers should be indicated by a minus sign. Round your answer to 3 decimal places.) What is your decision regarding the...
To test Ho μ-100 versus H1 : μ#100, a simple random sample size ofna 23 is...
To test Ho μ-100 versus H1 : μ#100, a simple random sample size ofna 23 is obtained from a population that is known to be normally distributed. Answer parts EB Click here to view the t-Distribution Area in Right Tail. (a) If x 105.4 and s 9.3, compute the test statistic (Round to three decimal places as needed.)
Given the following hypotheses: H0: μ = 600 H1: μ ≠ 600 A random sample of...
Given the following hypotheses: H0: μ = 600 H1: μ ≠ 600 A random sample of 16 observations is selected from a normal population. The sample mean was 609 and the sample standard deviation 6. Using the 0.10 significance level: State the decision rule. (Negative amount should be indicated by a minus sign. Round your answers to 3 decimal places.) Reject H0 when the test statistic is outside the interval ( , ). ? Compute the value of the test...
#3 Given the following hypotheses: H0: μ = 520 H1: μ ≠ 520 A random sample...
#3 Given the following hypotheses: H0: μ = 520 H1: μ ≠ 520 A random sample of 18 observations is selected from a normal population. The sample mean was 529 and the sample standard deviation was 5. Using the 0.01 significance level: State the decision rule. (Negative amount should be indicated by a minus sign. Round your answers to 3 decimal places.) Compute the value of the test statistic. (Round your answer to 3 decimal places.) What is your decision...
Consider the following hypothesis test. H0: μ ≤ 12 Ha: μ > 12 A sample of 25 provided a sample mean x = 14 and a sample standard deviation s = 4.32. (a) Compute the value of the test statistic. (Ro...
Consider the following hypothesis test. H0: μ ≤ 12 Ha: μ > 12 A sample of 25 provided a sample mean x = 14 and a sample standard deviation s = 4.32. (a) Compute the value of the test statistic. (Round your answer to three decimal places.) _______ (b) Use the t distribution table to compute a range for the p-value. a) p-value > 0.200 b) 0.100 < p-value < 0.200 c) 0.050 < p-value < 0.100 d) 0.025 <...
Consider the following hypothesis test. H0: μ ≤ 12 Ha: μ > 12 A sample of...
Consider the following hypothesis test. H0: μ ≤ 12 Ha: μ > 12 A sample of 25 provided a sample mean x = 14 and a sample standard deviation s = 4.28. (a) Compute the value of the test statistic. (Round your answer to three decimal places.) (b) Use the t distribution table to compute a range for the p-value. p-value > 0.2000.100 < p-value < 0.200 0.050 < p-value < 0.1000.025 < p-value < 0.0500.010 < p-value < 0.025p-value <...
A CI is desired for the true average stray-load loss μ (watts) for a certain type...
A CI is desired for the true average stray-load loss μ (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. Assume that stray load loss is normally distributed with Ơ 3.02. (Round your answers to two decimal places. You must enter the LOWER BOUND first then the UPPER BOUND second.) (a) Compute a 95% CI for μ when n-25 and X-54.06. watts (b) Compute a 95%...
To test Ho μ-100 versus H1 : μ#100, a simple random sample size ofna 23 is obtained from a population that is known to be normally distributed. Answer parts EB Click here to view the t-Distribution Area in Right Tail. (a) If x 105.4 and s 9.3, compute the test statistic (Round to three decimal places as needed.)
A CI is desired for the true average stray-load loss μ (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. Assume that stray load loss is normally distributed with Ơ 3.02. (Round your answers to two decimal places. You must enter the LOWER BOUND first then the UPPER BOUND second.) (a) Compute a 95% CI for μ when n-25 and X-54.06. watts (b) Compute a 95%...
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