Nurses (X)            Patient Falls (Y)Mean                                            40                        200Standard Deviation                  15                        50Use the data above. Same exact data as the previous question, different question at the bottom. Research has found that the correlation between number of nurses available and number of patients falling down in hospitals is approximately  r = –0.90. This suggests that hospitals with higher nursing staffing levels tend to have fewer cases of patients falling down.For a hospital that employs 60 nurses, how many cases of patients falling down should be expected?

Which of the following could not possibly be a correlation coefficient?

If you flip a coin a thousand times and plot the results, the distribution will be ______.

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A z-score close to zero indicates a _______

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A single statistic that tells you whether the difference between two distributions is small, medium, or large is the

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The normal curve, as it approaches the x-axis, is reaching ______.