If you were to participate in a Coho salmon derby, what weight might you expect for the salmon you could potentially catch? A fishing derby is a tournament among anglers that takes place as a series of events around a body of water with specific rules. Coho salmon derbies have been held along Alaska's west coast and are exciting tournaments because these fish take great skill to catch. An objective is to have the largest cumulative weight for all fish caught. Our dataset of weights, measured in pounds, come from a recent Coho salmon derby and we will assume these fish are a representative sample of Coho salmon from Alaska's west coast. Use a subset of the data to create a 90% confidence interval to estimate the true mean Coho salmon weight, in pounds (Ibs.), anglers might expect of the fish they catch during a salmon fishing derby. The first five rows of data look like this. Ibs 9.2 9.3 6.9 5.8 84 Import the dataset into SALT for analyzing. A USE SALT (a) Use SALT summarize the data and fill in following table, rounding values to four decimal places as needed. Sample Size Mean Standard Deviation Variable (b) We need to verify the assumptions for using the one-sample t confidence interval before creating a confidence interval. First the observations in the sample must be randomly selected from the population or the sample should be selected in such a way that the sample is representative of the population. Based on what is known about how this sample was collected, the first assumption --Select- V Second, the sample size generally should be 30 or larger. Based on the sample size, the second assumption Select- v met. (c) Use SALT to compute the confidence interval at the desired level to estimate the true population mean. Enter the requested values below, rounded to three decimal places as needed. Standard Error: Degrees of Freedom: Lower Limit: Upper Limit: (d) Provide an interpretation of the confidence interval. (Give your numeric answer as a percent.) You can be 7- v % confident that the true population mean -Select- v is within the computed interval. The method used construct this interval estimate for the population mean is successful in capturing the actual population mean about % of the time.

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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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If you were to participate in a Coho salmon derby, what weight might you expect for the salmon you could potentially catch? A fishing derby is a tournament among anglers that takes place as a series of events around a body of water with specific
rules. Coho salmon derbies have been held along Alaska's west coast and are exciting tournaments because these fish take great skill to catch. An objective is to have the largest cumulative weight for all fish caught. Our dataset of weights,
measured in pounds, come from a recent Coho salmon derby and we will assume these fish are a representative sample of Coho salmon from Alaska's west coast.
Use a subset of the data to create a 90% confidence interval to estimate the true mean Coho salmon weight,
pounds (Ibs.), anglers might expect of the fish they catch during a salmon fishing derby.
The first five rows of data look like this.
Ibs
9.2
9.3
Import the dataset into SALT for analyzing.
A USE SALT
(a) Use SALT to summarize the data and fill in the following table, rounding values to four decimal places as needed.
Sample Size
Mean
Standard Deviation
Variable
(b) We need to verify the assumptions for using the one-sample t confidence interval before creating a confidence interval.
First the observations in the sample must be randomly selected from the population or the sample should be selected in such a way that the sample is representative of the population. Based on what is known about how this sample was collected, the first assumption -Select--
Second, the sample size generally should be 30 or larger. Based on the sample size, the second assumption -Select-
v met.
(c) Use SALT to compute the confidence interval at the desired level to estimate the true population mean.
Enter the requested values below, rounded to three decimal places as needed.
Standard Error:
Degrees of Freedom:
Lower Limit:
Upper Limit:
(d) Provide an interpretation of the confidence interval. (Give your numeric answer as a percent.)
You can be --?-v % confident that the true population mean -Select-
Vis within the computed interval.
The method used to construct this interval estimate for the population mean is successful in capturing the actual population mean about
% of the time.
Transcribed Image Text:If you were to participate in a Coho salmon derby, what weight might you expect for the salmon you could potentially catch? A fishing derby is a tournament among anglers that takes place as a series of events around a body of water with specific rules. Coho salmon derbies have been held along Alaska's west coast and are exciting tournaments because these fish take great skill to catch. An objective is to have the largest cumulative weight for all fish caught. Our dataset of weights, measured in pounds, come from a recent Coho salmon derby and we will assume these fish are a representative sample of Coho salmon from Alaska's west coast. Use a subset of the data to create a 90% confidence interval to estimate the true mean Coho salmon weight, pounds (Ibs.), anglers might expect of the fish they catch during a salmon fishing derby. The first five rows of data look like this. Ibs 9.2 9.3 Import the dataset into SALT for analyzing. A USE SALT (a) Use SALT to summarize the data and fill in the following table, rounding values to four decimal places as needed. Sample Size Mean Standard Deviation Variable (b) We need to verify the assumptions for using the one-sample t confidence interval before creating a confidence interval. First the observations in the sample must be randomly selected from the population or the sample should be selected in such a way that the sample is representative of the population. Based on what is known about how this sample was collected, the first assumption -Select-- Second, the sample size generally should be 30 or larger. Based on the sample size, the second assumption -Select- v met. (c) Use SALT to compute the confidence interval at the desired level to estimate the true population mean. Enter the requested values below, rounded to three decimal places as needed. Standard Error: Degrees of Freedom: Lower Limit: Upper Limit: (d) Provide an interpretation of the confidence interval. (Give your numeric answer as a percent.) You can be --?-v % confident that the true population mean -Select- Vis within the computed interval. The method used to construct this interval estimate for the population mean is successful in capturing the actual population mean about % of the time.
(d) Provide an interpretation of the confidence interval. (Give your numeric answer as a percent.)
V ---Select--
season drive, in yards, for PGA TOUR professionals
percentage of domestic flights that arrive on time
Coho salmon weight, in pounds, anglers might expect
You can be --?-v % confident that the true population mea
ithin the computed interval.
The method used to construct this interval estimate for the pe
tion mean about
% of the time.
Transcribed Image Text:(d) Provide an interpretation of the confidence interval. (Give your numeric answer as a percent.) V ---Select-- season drive, in yards, for PGA TOUR professionals percentage of domestic flights that arrive on time Coho salmon weight, in pounds, anglers might expect You can be --?-v % confident that the true population mea ithin the computed interval. The method used to construct this interval estimate for the pe tion mean about % of the time.
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