Chapter 12: Q.32 (page 717)
What would you predict the sales to be on day ?
Short Answer
The predicted sales on day will be
Chapter 12: Q.32 (page 717)
What would you predict the sales to be on day ?
The predicted sales on day will be
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Get started for freeDue to erosion, a river shoreline is losing several thousand pounds of soil each year. A linear equation that expresses the total amount of soil lost per year is .
What is the y-intercept? Interpret its meaning.
How many acres will be left to mow after hours of work?
The data points for the graph from the third exam/final exam example are as follows: (1, 5), (2, 7), (2, 6), (3, 9), (4, 12), (4, 13), (5, 18), (6, 19), (7, 12), and (7, 21). Remove the outlier and recalculate the line of best fit. Find the value of ŷ when x = 10.
Use the following information to answer the next five exercises. A random sample of ten professional athletes produced the following data where is the number of endorsements the player has and is the amount of money made (in millions of dollars).
draw the line of best fit on the scatter plot
Table 12.20 shows the life expectancy for an individual born in the United States in certain years.
a. Decide which variable should be the independent variable and which should be the dependent variable.
b. Draw a scatter plot of the ordered pairs.
c. Calculate the least squares line. Put the equation in the form of: \(\hat{y}=a+bx\)
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