In 1994, the average monthly cost for expanded basic cable television service was $21.62. in 2004, this cost had increased to $38.23. write a linear equation that models the monthly cost as a function of the number of years since 1994. predict the average monthly cost of expanded basic cable television service in 2010.

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.