Here Are Summary Statistics for the Time,in Minutes,it Took for 20

question 64

Multiple Choice

Here are summary statistics for the time,in minutes,it took for 20 people to complete an information survey at a walk-in medical clinic.
Write a few sentences about the amount of time these people took to complete the information survey.

• A)The 20 times range in length between 0.4 and 7 minutes.The median time is 3.45 minutes,so half are longer and half are shorter.The middle 50% of these times range between 2.1 and 3.8 minutes.The distribution is skewed to the right,with at least the outlier 0.4 minutes.
• B)The 20 times range in length between 0.4 and 7 minutes.The median time is 3.23 minutes,so half are longer and half are shorter.The middle 50% of these times range between 2.1 and 3.45 minutes.The distribution is skewed to the right,with at least the outlier 7 minutes.
• C)The 20 times range in length between 0.4 and 7 minutes.The median time is 3.45 minutes,so half are longer and half are shorter.The middle 50% of these times range between 2.1 and 3.8 minutes.The distribution is skewed to the right,with no outliers.
• D)The 20 times range in length between 0.4 and 7 minutes.The median time is 3.45 minutes,so half are longer and half are shorter.The middle 50% of these times range between 0.4 and 3.8 minutes.The distribution is skewed to the left,with at least the outlier 0.4 minutes.
• E)The 20 times range in length between 0.4 and 7 minutes.The median time is 3.45 minutes,so half are longer and half are shorter.The middle 50% of these times range between 2.1 and 3.8 minutes.The distribution is skewed to the left,with at least the outlier 7 minutes.

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Definitions:

Regression Analysis

A statistical method for modeling the relationship between a dependent variable and one or more independent variables, used to predict outcomes and trends.

Independent Variables

Variables in an experiment or statistical model that are manipulated or categorized to observe their effect on the dependent variable.

Dependent Variable

A variable in an experiment or model whose value is affected or determined by other variables, typically the outcome or response variable.

Y-intercept

The point where a line or curve intersects the y-axis of a graph.