Summarize Data Distribtuions

Most of the people in this data exercise ​​ (a)   hours per week.

• more than 5
• between 3 and 6
• either fewer than 2 or more than 7
• fewer than 4

There are gaps between ​ (a)   . ​

• 0 and 3 and 3 and 6
• 1 and 2 and 4 and 5
• 0 and 6
• 0 and 3 and 5 and 7

Most data points are clustered, or grouped, between ​ (a)   .

• 6 and 8
• 0 and 9
• 1 and 5
• 3 and 9
• 5 and 9

Which statement about this data is true?

• The data is symmetrical.

• The data is not symmetrical.

• The data is clustered between 0 and 6.

• The mean and MAD would be most appropriate for this data.

Find the median for this data. ​ (a)   ​ ​

• 13
• 11
• 12
• 14
• 15
• 7
• 19
• 25
• 9

• The middle half of the data is located between 7 and 19 students

• The IQR is 6

• The maximum value is 21

• The IQR is 12

What data value is the upper quartile (Q3)?

• 64
• 62
• 66
• 58

What value is the lower quartile?

• 66
• 58
• 60
• 64

What is the general shape of the distribution?

• Skewed Left

• Skewed Right

• Symmetric

• Uniform

This data set has an outlier:

0, 40, 50, 60, 60, 70, 80, 80

How would the median and the mean be affected if the outlier were removed?

The mean would ​ (a)   , while the median would ​ (b)   .

• increase
• stay the same
• decrease