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Which of the following statements about the statement of cash flows is not correct?
a. It does not replace the income statement.
b. It provides details as to how cash changed during a period.
c. It provides information about cash receipts and cash payments over a period of time.
d. It measures profitability.
The table shows the number of worldwide Starbucks stores from 2005 to 2013 and projected to 2017.
a. Find the logistic function that models the data, with x equal to the number of years after 2005.
b. What does the model predict the number of stores to be in 2020?
|Year||Total Stores||Year||Total Stores|
Education reform is one of the most hotly debated subjects on both state and national policy makers' list of socioeconomic topics. Consider a linear regression model that relates school expenditures and family background to student performance in Massachusetts using 224 school districts. The response variable is the mean score on the MCAS (Massachusetts Comprehensive Assessment System) exam given in May 1998 to 10th graders. Four explanatory variables are used: (1) STR is the student-to-teacher ratio in , (2) TSAL is the average teacher's salary in , (3) is the median household income in s, and (4) SGL is the percentage of single-parent households. A portion of the data is shown in the accompanying table.