Intermediate Statistics and Research Methods Q7
The accompanying data table lists the magnitudes of
earthquakes measured on the Richter scale. Test the claim that the population of earthquakes has a mean magnitude greater than
.
Use a
significance level. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and conclusion for the test. Assume this is a simple random sample.
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The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test...
The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test the claim that the population of earthquakes has a mean magnitude greater than 1.00. Use a 0.01 significance level. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and conclusion for the test. Assume this is a simple random sample. Magnitude of Earthquake 0.720 0.740 0.640 0.390 0.700 2.200 1.980 0.640 1.220 0.200 1.640 1.320 2.950 0.900 1.760 1.010 1.260 0.000 0.650 1.460...
The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test...
The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test the claim that the population of earthquakes has a mean magnitude greater than 1.00. Use a 0.05 significance level. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and conclusion for the test. Assume this is a simple random sample. Click the icon to view the sample data What are the hypotheses? O B. Ho u + 1.00 in magnitude H:u= 1.00 in magnitude...
A data set lists earthquake depths. The summary statistics are n= 400, x= 5.46 km, s...
A data set lists earthquake depths. The summary statistics are n= 400, x= 5.46 km, s = 4.68 km. Use a 0.01 significance level to test the claim of a seismologist that these earthquakes are from a population with a mean equal to 5.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
A data set lists earthquake depths. The summary statistics are n=600, x̅=6.68 km, s=4.55 km
A data set lists earthquake depths. The summary statistics are n=600, x̅=6.68 km, s=4.55 km. Use a 0.01 significance level to test the claim of a seismologist that these earthquakes are from a population with a mean equal to 6.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
A data set lists earthquake depths. The summary statistics are n=600, x overbarequals5.36 km, s=4.59 km....
A data set lists earthquake depths. The summary statistics are n=600, x overbarequals5.36 km, s=4.59 km. Use a 0.01 significance level to test the claim of a seismologist that these earthquakes are from a population with a mean equal to 5.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
Intermediate Statistics and Research Methods
The accompanying data are drive-through service times (seconds) recorded at a fast food restaurant during dinner times. Assuming that dinner service times at the restaurant's competitor have standard deviation σ=60.9 sec, use a 0.025 significance level to test the claim that service times at the restaurant have the same variation as service times at its competitor's restaurant. Use the accompanying data to identify the null hypothesis, alternative hypothesis, test statistic, and P-value. Then state a conclusion about the null hypothesis.
1. Park officials make predictions of times to the next eruptiom of a particular geyser, and...
1. Park officials make predictions of times to the next eruptiom of a particular geyser, and collect data for the errora (minutes) in those predictions. The display from technology available below results from using the prediction errors to test the claim that the mean prediction error is equal to zero. Comment on the accuracy of the predictions. Use a 0.05 significance level. Identify the null and alternative hypothesis, test statistic, and P-Value. 2. In a test of the effectiveness kf...
For each question Identify the test statistic(round two decimal places) Identify the P-value(round three decimal places)...
For each question
Identify the test statistic(round two decimal places)
Identify the P-value(round three decimal places)
Use the pulse rates in beats per minute (bpm) of a random sample of adult females listed in the data set available below to test the claim that the mean is less than 75 bpm. Use a 0.05 significance level. : Click the icon to view the pulse rate data Assuming all conditions for conducting a hypothesis test are met, what are the null...
A data set lists earthquake depths. The summary statistics are n =500 , x =6.78km, s=...
A data set lists earthquake depths. The summary statistics are n =500 , x =6.78km, s= 4.41 km. Use a 0.01 significance level to test the claim of a seismologist that these earthquakes are from a population with a mean equal to 6.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? A. H0...
A data set lists earthquake depths. The summary statistics are n=500, x= 6.83 km, s =...
A data set lists earthquake depths. The summary statistics are n=500, x= 6.83 km, s = 4.65 km. Use a 0.01 significance level to test the claim of a seismologist that these earthquakes are from a population with a mean equal to 6.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? O A....
The accompanying data table lists the magnitudes of 50 earthquakes measured on the Richter scale. Test the claim that the population of earthquakes has a mean magnitude greater than 1.00. Use a 0.05 significance level. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and conclusion for the test. Assume this is a simple random sample. Click the icon to view the sample data What are the hypotheses? O B. Ho u + 1.00 in magnitude H:u= 1.00 in magnitude...
A data set lists earthquake depths. The summary statistics are n= 400, x= 5.46 km, s = 4.68 km. Use a 0.01 significance level to test the claim of a seismologist that these earthquakes are from a population with a mean equal to 5.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
A data set lists earthquake depths. The summary statistics are n=600, x̅=6.68 km, s=4.55 km. Use a 0.01 significance level to test the claim of a seismologist that these earthquakes are from a population with a mean equal to 6.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
For each question
Identify the test statistic(round two decimal places)
Identify the P-value(round three decimal places)
Use the pulse rates in beats per minute (bpm) of a random sample of adult females listed in the data set available below to test the claim that the mean is less than 75 bpm. Use a 0.05 significance level. : Click the icon to view the pulse rate data Assuming all conditions for conducting a hypothesis test are met, what are the null...
A data set lists earthquake depths. The summary statistics are n=500, x= 6.83 km, s = 4.65 km. Use a 0.01 significance level to test the claim of a seismologist that these earthquakes are from a population with a mean equal to 6.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? O A....
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