Weather Station January April At five weather stations on Trail Ridge Road in Rocky Mountain National Park, the peak wind gusts (in miles per hour) for January and April are recorded below. 1 137 120 104 115 102 1 LAUSE SALT differences is app Does this information indicate that the peak wind gusts are higher in January than in April? Use a-0.01. (Let d-January-April) (a) What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? Ho! Hg 01 M₂! Hy0: two-tailed ⒸHg! Hy > O: H₂! Hg 0:right-tailed 14245 Ho! Hg 01 M₂! Hy < 0: left-tailed Ho! Hy 01 H₂! H> 0: right-tailed (b) What sampling distribution will you use? What assumptions are you making? The standard normal. We assume that d has an approximately normal distribution. O The Student's t. We assume that d has an approximately normal distribution. O The Student's t. We assume that d has an approximately uniform distribution. O The standard normal. We assume that d has an approximately uniform distribution. (e) Find (or estimate) the P-value. OP-value> 0.250 O 0.125 < P-value < 0.250 What is the value of the sample test statistic? (Round your answer to three decimal places.) O 0.050P-value < 0.125 O 0.025 < P-value < 0.050 O 0.005 P-value < 0.025 OP-value < 0.005 use the closest that is smaller. In some situations, this a slightly more conservative
Weather Station January April At five weather stations on Trail Ridge Road in Rocky Mountain National Park, the peak wind gusts (in miles per hour) for January and April are recorded below. 1 137 120 104 115 102 1 LAUSE SALT differences is app Does this information indicate that the peak wind gusts are higher in January than in April? Use a-0.01. (Let d-January-April) (a) What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? Ho! Hg 01 M₂! Hy0: two-tailed ⒸHg! Hy > O: H₂! Hg 0:right-tailed 14245 Ho! Hg 01 M₂! Hy < 0: left-tailed Ho! Hy 01 H₂! H> 0: right-tailed (b) What sampling distribution will you use? What assumptions are you making? The standard normal. We assume that d has an approximately normal distribution. O The Student's t. We assume that d has an approximately normal distribution. O The Student's t. We assume that d has an approximately uniform distribution. O The standard normal. We assume that d has an approximately uniform distribution. (e) Find (or estimate) the P-value. OP-value> 0.250 O 0.125 < P-value < 0.250 What is the value of the sample test statistic? (Round your answer to three decimal places.) O 0.050P-value < 0.125 O 0.025 < P-value < 0.050 O 0.005 P-value < 0.025 OP-value < 0.005 use the closest that is smaller. In some situations, this a slightly more conservative
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 2CST
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