1. The table below shows the data from the computer sales since 1960 to 1969. (a) Obtain a scatter diagram of the data. YEAR COST(X) SALES(Y) (h) Construct a line that approximates the data. 1960 15 38 (c) Find the equation of the line constructed in part (h). fett Estimate the-weight of a student-whose height-is known to be 63 in. te Estimate the height of a student whase-weightis known-to-be 1681h. Test the significance of regression coefficient b at 1% level of significance 1963 1961 30 53 1962 16 бо 39 72 1964 20 40 1965 36 47 1966 45 82 1967 10 21 1968 13 25 1969 16 40
1. The table below shows the data from the computer sales since 1960 to 1969. (a) Obtain a scatter diagram of the data. YEAR COST(X) SALES(Y) (h) Construct a line that approximates the data. 1960 15 38 (c) Find the equation of the line constructed in part (h). fett Estimate the-weight of a student-whose height-is known to be 63 in. te Estimate the height of a student whase-weightis known-to-be 1681h. Test the significance of regression coefficient b at 1% level of significance 1963 1961 30 53 1962 16 бо 39 72 1964 20 40 1965 36 47 1966 45 82 1967 10 21 1968 13 25 1969 16 40
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 19PFA
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