After school job vs. gender
boy girl total
after schoolob 14 11 25
no job 42 33 75
total 56 44100
es
ms. huggins collected data from each of her four math classes to see if having an after school job was independent on
dependent of gender. based on her findings are the two independent or dependent? explain your answer.

Which of the following are parts of a sphere

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.

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.