Mathematics, 28.12.2021 05:30 pam93
A statistics student is interested in the relationship between the number of aunts and uncles a person has and the number of cousins. She surveys a simple random sample of 12 people and asks them how many of each they have. She calculates the least-squares regression line and finds the equation is Å· = 2.6 + 1.64x, where Å· is the number of cousins and x is the number of aunts and uncles. The residual plot is shown. Based on the residual plot, is the linear model appropriate? No, the residuals are relatively large. No, there is a clear pattern in the residual plot. Yes, there is no clear pattern in the residual plot. Yes, about half of the residuals are positive and half are negative.
Answers: 1
Mathematics, 21.06.2019 14:30
What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25
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Mathematics, 21.06.2019 18:00
Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml
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Mathematics, 22.06.2019 01:00
The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?
Answers: 3
A statistics student is interested in the relationship between the number of aunts and uncles a pers...
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