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Ho: H₁: (Type integers or decimals. Do not round.) Find the test statistic. to = (Round to two decimal places as needed.) Find the P-value. P-value= (Round to three decimal places as needed.) Is there sufficient evidence that calcium concentrations have changed since 1990? the null hypothesis and conclude that there Since P-value ▼α. calcium level in rainwater has changed. sufficient evidence that the

Ho: H₁: (Type integers or decimals. Do not round.) Find the test statistic. to = (Round to two decimal places as needed.) Find the P-value. P-value= (Round to three decimal places as needed.) Is there sufficient evidence that calcium concentrations have changed since 1990? the null hypothesis and conclude that there Since P-value ▼α. calcium level in rainwater has changed. sufficient evidence that the

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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 8CR
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Calcium is essential to tree growth. In 1990, the concentration of calcium in precipitation in Chautauqua, New York, was mg 0.11 milligram per liter . A random sample of 8 precipitation dates in 2018 results in the following data: L 0.234 0.065 0.262 0.120 What are the null and alternative hypotheses? Ho: H₁: (Type integers or decimals. Do not round.) Find the test statistic. 0.108 to = (Round to two decimal places as needed.) Find the P-value. 0.070 A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot does not show any outliers. Does the sample evidence suggest that calcium concentrations have changed since 1990? Use the a = 0.05 level of significance. ... 0.183 0.313 C P-value= (Round to three decimal places as needed.) Is there sufficient evidence that calcium concentrations have changed since 1990? Since P-value α, the null hypothesis and conclude that there calcium level in rainwater has changed. sufficient evidence that the
Transcribed Image Text:Calcium is essential to tree growth. In 1990, the concentration of calcium in precipitation in Chautauqua, New York, was mg 0.11 milligram per liter . A random sample of 8 precipitation dates in 2018 results in the following data: L 0.234 0.065 0.262 0.120 What are the null and alternative hypotheses? Ho: H₁: (Type integers or decimals. Do not round.) Find the test statistic. 0.108 to = (Round to two decimal places as needed.) Find the P-value. 0.070 A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot does not show any outliers. Does the sample evidence suggest that calcium concentrations have changed since 1990? Use the a = 0.05 level of significance. ... 0.183 0.313 C P-value= (Round to three decimal places as needed.) Is there sufficient evidence that calcium concentrations have changed since 1990? Since P-value α, the null hypothesis and conclude that there calcium level in rainwater has changed. sufficient evidence that the
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