The box plots show student grades on the most recent exam compared to overall grades in the class:

Which of the following best describes the information about the medians?

 The class and exam medians are almost the same. The exam median is much higher than the class median. The class and exam Q3 are the same, but the exam has the lowest median. The low outlier on exams pulls the median lower.

Question 2 (Multiple Choice Worth 1 points)

[06.02]

Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots:

Identify any values of data that might affect the statistical measures of spread and center.

 The females worked less than the males, and the female median is close to Q1. There is a high data value that causes the data set to be asymmetrical for the males. There are significant outliers at the high ends of both the males and the females. Both graphs have the required quartiles.

Question 3 (Multiple Choice Worth 1 points)

[06.02]

The table shows data from a survey about the amount of time high school students spent reading and the amount of time spent watching videos each week (without reading):

ReadingVideo4445565859610711812814925

Which response best describes outliers in these data sets?

 Neither data set has suspected outliers. The range of data is too small to identify outliers. Video has a suspected outlier in the 25-hour value. The 25-hour value for video does not pass the outlier test of 1.5 • (IQR) + Q3.

Question 4 (Multiple Choice Worth 1 points)

[06.02]

The box plots show male and female grades in a sociology class:

Which of the following best describes the information about the interquartile ranges?

 The interquartile range for males is larger than the females by more than 10 points. The interquartile range for females is larger by more than 10 points. The interquartile range for females is larger by about 5 points. The interquartile range for males is larger than the females by about 5 points.

Question 5 (Multiple Choice Worth 1 points)

[06.02]

The table shows data from a survey about the amount of time students spend doing homework each week. The students were either in college or in high school:

 HighLowQ1Q3IQRMedianMeanσCollege5068.5178.51215.411.7High School2834.51510.51110.55.8

Which of the choices below best describes how to measure the spread of this data?

 Both spreads are best described with the IQR. Both spreads are best described with the standard deviation. The college spread is best described by the IQR. The high school spread is best described by the standard deviation. The college spread is best described by the standard deviation. The high school spread is best described by the IQR.

Question 6 (Multiple Choice Worth 1 points)

[06.02]

The table shows data from a survey about the number of times families travel by car or taxi during an average week. The families are either from a rural town (population under 5,000) or a large city (population over 1 million):

Rural TownCity506071811552582593510361240184238

Which of the choices below best describes how to measure the center of this data?

 Both centers are best described with the mean. Both centers are best described with the median. The country data center is best described by the mean. The city data center is best described by the median. The country data center is best described by the median. The city data center is best described by the mean.

Question 7 (Multiple Choice Worth 1 points)

[06.02]

The table showThis research paper will describe

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