A sample of 11 joint specimens of a particular type gave a sample mean proportional limit stress of 8.55MPA and a sample standard deviation of 0.71 MPa. Calculate and interpret a 90% lower confidence bound for the true average proportional limit stress of all such joints. ( round your answer to two decimal places). MPa Interpret this bound. O with 90% confidence, we can say that the value of the true mean proportional limit stress of all such joints is greater than this value. O with 90% confidence, we can say that the value of the true mean proportional limit stress of all such joints is centered around this value. O with 90% confidence, we can say that the value of the true mean proportional limit stress of all such joints is less than this value.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
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A sample of 11 joint specimens of a particular type gave a sample mean proportional limit stress of 8.55MPa and a sample standard deviation of 0.71 MPa.
Calculate and interpret a 90% lower confidence bound for the true average proportional limit stress of all such joints. ( round your answer to two decimal places).
MPa
Interpret this bound.
O with 90% confidence, we can say that the value of the true mean proportional limit stress of all such joints is greater than this value.
O with 90% confidence, we can say that the value of the true mean proportional limit stress of all such joints is centered around this value.
O with 90% confidence, we can say that the value of the true mean proportional limit stress of all such joints is less than this value.
Transcribed Image Text:A sample of 11 joint specimens of a particular type gave a sample mean proportional limit stress of 8.55MPa and a sample standard deviation of 0.71 MPa. Calculate and interpret a 90% lower confidence bound for the true average proportional limit stress of all such joints. ( round your answer to two decimal places). MPa Interpret this bound. O with 90% confidence, we can say that the value of the true mean proportional limit stress of all such joints is greater than this value. O with 90% confidence, we can say that the value of the true mean proportional limit stress of all such joints is centered around this value. O with 90% confidence, we can say that the value of the true mean proportional limit stress of all such joints is less than this value.
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