Data and Statistics

Which statement about the data in the histogram is true?

• The distribution of the data is asymmetrical, so the mean and the median are likely

  outside the "3-4" category.

• The distribution of the data is asymmetrical, so the mean and the median are likely

  within the "3-4" category.

• The distribution of the data is symmetrical, so the mean and the median are likely

  outside the "3-4" category.

• The distribution of the data is symmetrical, so the mean and the median are likely

  within the "3-4" category.

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 

• As the temperature increases, the number of visitors increases. 

• As the visitors increase, the temperature decreases. 

• No correlation

Is there an outlier? If so, what is its approximate coordinates?

• Yes. (0.4,6.2)

• Yes. (6.6,0.2)

• Yes. (1.2,1.2)

• No Outlier

Is there an outlier? If so, what is its coordinates?

• Yes. (14,20)

• Yes. (2, 18)

• Yes. (1,1)

• No outlier.

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters. 

• 150 pages

• 170 pages

• 190 pages

• 210 pages

In a scatterplot, an outlier...

• ...is something we didn't learn 8th grade

• ...is a puppet with a long nose named Pinocchio

• ...is a point that is far outside the main cluster of points/ordered pairs

• ...is a really naughty point who doesn't tell the truth when outside

Which of the following could be a possible line of best fit for the data?

• y = -5/2x + 20

• y = -x + 19

• y = x + 20

• y = 2/3x + 15 

Which best describes the form of this scatterplot?

• linear

• nonlinear

• scattered

How many total people wore yellow?

• 30

• 22

• 40

• 62