A study assesses the length of stay in the intensive care unit after common surgical procedures. The following graph is obtained by plotting the number of admissions against length of stay (in days). Which of the following corresponds to the measures of central tendency on the graph?
A)Line 1: Mean; Line 2: Median; Line 3: Mode
B)Line 1: Median; Line 2: Mean; Line 3: Mode
C)Line 1: Median; Line 2: Mode; Line 3: Mean
D)Line 1: Mode; Line 2: Mean; Line 3: Median
E)Line 1: Mode; Line 2: Median; Line 3: Mean

Question

A study assesses the length of stay in the intensive care unit after common surgical procedures.  The following graph is obtained by plotting the number of admissions against length of stay (in days).  Which of the following corresponds to the measures of central tendency on the graph?
A)Line 1: Mean; Line 2: Median; Line 3: Mode 
B)Line 1: Median; Line 2: Mean; Line 3: Mode 
C)Line 1: Median; Line 2: Mode; Line 3: Mean 
D)Line 1: Mode; Line 2: Mean; Line 3: Median 
E)Line 1: Mode; Line 2: Median; Line 3: Mean

Quizplus · Accepted Answer

Explanation: 11ec2b69_c0fa_6afb_8f63_dbbc82fdd1a0_MD0005_00 Mean, median, and mode are measures of central tendency used to describe important values in a data set. The mean (or average) represents the sum divided by the total number of the values. The median is the value separating the top half from the lower half of the data set (50th percentile). The mode is the value that occurs most frequently. In a symmetric distribution with just 1 mode (such as a normal distribution), the mean, median, and mode will have the same value. The mean and median move away from the mode as the distribution becomes more asymmetric (skewed). In extremely skewed distributions, outliers heavily influence the mean, making it a less representative measure of central tendency. skewed In this example, the distribution is positively skewed, meaning that the tail is on the right side. In general, in a positively skewed distribution, modeEducational objective: Measures of central tendency are used to describe central values in a probability distribution. The most common measures of central tendency are mean, median, and mode.

A Study Assesses the Length of Stay in the Intensive