t stat ] A researcher developed a regression model to predict the tear rating of a bag of coffee based on the plate gap in bag-sealing equipment. Data were collected on 30 bags in which the plate gap was varied. An analysis of variance from the regression showed that b1=0.7778 and Sb1=0.2411. a. At the 0.05 level of significance, is there evidence of a linear relationship between the plate gap of the bag-sealing machine and the tear rating of a bag of coffee? b. Construct a 95% confidence interval estimate of the population slope, β1. a. Determine the hypotheses for the test. Choose the correct answer below. A. H0: β1≤0 H1: β1>0 B. H0: β1≥0 H1: β1<0 C. H0: β0≤0 H1: β0>0 Your answer is not correct. D. H0: β0=0 H1: β0≠0 E. H0: β1=0 H1: β1≠0 This is the correct answer. F. H0: β0≥0 H1: β0<0 Compute the test statistic. The test statistic is enter your response here. (Round to two decimal places as needed.)
t stat ] A researcher developed a regression model to predict the tear rating of a bag of coffee based on the plate gap in bag-sealing equipment. Data were collected on 30 bags in which the plate gap was varied. An analysis of variance from the regression showed that b1=0.7778 and Sb1=0.2411. a. At the 0.05 level of significance, is there evidence of a linear relationship between the plate gap of the bag-sealing machine and the tear rating of a bag of coffee? b. Construct a 95% confidence interval estimate of the population slope, β1. a. Determine the hypotheses for the test. Choose the correct answer below. A. H0: β1≤0 H1: β1>0 B. H0: β1≥0 H1: β1<0 C. H0: β0≤0 H1: β0>0 Your answer is not correct. D. H0: β0=0 H1: β0≠0 E. H0: β1=0 H1: β1≠0 This is the correct answer. F. H0: β0≥0 H1: β0<0 Compute the test statistic. The test statistic is enter your response here. (Round to two decimal places as needed.)
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 8E
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Question
t stat ]
A researcher developed a regression model to predict the tear rating of a bag of coffee based on the plate gap in bag-sealing equipment. Data were collected on
30
bags in which the plate gap was varied. An analysis of variance from the regression showed that
b1=0.7778
and
Sb1=0.2411.
a. At the 0.05 level of significance, is there evidence of a linear relationship between the plate gap of the bag-sealing machine and the tear rating of a bag of coffee?
b. Construct a 95% confidence interval estimate of the population slope,
β1.
a. Determine the hypotheses for the test. Choose the correct answer below.
H0:
β1≤0
H1:
β1>0
H0:
β1≥0
H1:
β1<0
H0:
β0≤0
H1:
β0>0
H0:
β0=0
H1:
β0≠0
H0:
β1=0
H1:
β1≠0
H0:
β0≥0
H1:
β0<0
Compute the test statistic.
The test statistic is
enter your response here.
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