What is the standard deviation of this data set? Use a calculator to help you. Round your answer to the nearest tenth. \( 11,16,22,28,29,30,31,34,37,38,43,49,56,78,99 \) \( \begin{array}{l}\text { A. } 29.3 \\ \text { B. } 23.2 \\ \text { C. } 27.5 \\ \text { D. } 25.9\end{array} \)

Find the critical value \( z_{\alpha / 2} \) that corresponds to the given confidence level. \( 94 \% \)

You are a journalist working on an article about the nursing profession. Survey data shows that 355 out of 1000 nurses surveyed are considering a different career. If the survey ratio is accurate and there are about 4.8 million nurses registered in the United States, about how many million nurses nationwide are considering a different career?

summarize your understanding of the role statistics play in managerial decision-making.

Exercise 1. How many residents had at least two falls in the last 24 months? Put the answer in cell B15. Exercise 2. What percentage of the nursing home residents had at most eight falls in the last 24 months? Put the answer in cell B16.

The bivariate hypothesis-testing procedure that is used when both the independent and dependent variables are continuous is (A) Continuous hypothesis test (B) Pearson's correlation (C) Analysis of variance (D) continuous samples t-test