Testing Hypotheses. In Exercises 9-24, assume that a simple random sample has been selected and test the given claim. Unless specified by your instructor, use either the P-value method or the critical value method for testing hypotheses. Identify the null and alternative hypotheses, test statistic, P-value (or range of P-values), critical value(s), and state the final conclusion that addresses the original claim. 24. Highway Speeds Listed below are speeds (mi/h) measured from southbound traffic on I-280 near Cupertino, California (based on data from SigAlert). This simple random sample was obtained at 3:30 P.M. on a weekday. Use a 0.05 significance level to test the claim that the sample is from a population with a mean that is less than the speed limit of 65 mi/h. 62 61 61 57 61 54 59 58 59 69 60 67
Testing Hypotheses. In Exercises 9-24, assume that a simple random sample has been selected and test the given claim. Unless specified by your instructor, use either the P-value method or the critical value method for testing hypotheses. Identify the null and alternative hypotheses, test statistic, P-value (or range of P-values), critical value(s), and state the final conclusion that addresses the original claim. 24. Highway Speeds Listed below are speeds (mi/h) measured from southbound traffic on I-280 near Cupertino, California (based on data from SigAlert). This simple random sample was obtained at 3:30 P.M. on a weekday. Use a 0.05 significance level to test the claim that the sample is from a population with a mean that is less than the speed limit of 65 mi/h. 62 61 61 57 61 54 59 58 59 69 60 67
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Testing Hypotheses. In Exercises 9-24, assume that a simple random sample has
been selected and test the given claim. Unless specified by your instructor, use either the
P-value method or the critical value method for testing hypotheses. Identify the null and
alternative hypotheses, test statistic, P-value (or range of P-values), critical value(s), and
state the final conclusion that addresses the original claim.
24. Highway Speeds Listed below are speeds (mi/h) measured from southbound traffic on
I-280 near Cupertino, California (based on data from SigAlert). This simple random sample
was obtained at 3:30 P.M. on a weekday. Use a 0.05 significance level to test the claim that the
sample is from a population with a mean that is less than the speed limit of 65 mi/h.
62 61 61 57 61 54 59 58 59 69 60 67
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