Construct a scatter diagram of the given bivariate data. (Do this on paper. Your instructor may ask you to turn in this work.) _____ (b) Calculate the covariance. (Give your answer correct to two decimal places.) ______ (c) Calculate sx and sy.
Construct a scatter diagram of the given bivariate data. (Do this on paper. Your instructor may ask you to turn in this work.) _____ (b) Calculate the covariance. (Give your answer correct to two decimal places.) ______ (c) Calculate sx and sy.
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 7E
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Question
Consider the following bivariate data.
| Point | A | B | C | D | E | F | G | H | I | J |
| x | 0 | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 7 |
| y | 7 | 5 | 6 | 3 | 4 | 1 | 4 | 0 | 1 | 1 |
(a) Construct a scatter diagram of the given bivariate data. (Do this on paper. Your instructor may ask you to turn in this work.)
_____
(b) Calculate thecovariance . (Give your answer correct to two decimal places.)
______
(c) Calculate sx and sy. (Give your answers correct to three decimal places.)
(d) Calculate r using formula 13.2. (Give your answer correct to two decimal places.)
_____
(e) Calculate r using formula 13.3. (Give your answer correct to two decimal places.)
______
_____
(b) Calculate the
______
(c) Calculate sx and sy. (Give your answers correct to three decimal places.)
| sx | = ____ |
| sy | = _____ |
(d) Calculate r using formula 13.2. (Give your answer correct to two decimal places.)
_____
(e) Calculate r using formula 13.3. (Give your answer correct to two decimal places.)
______
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