1. The average number of hours that people of Brazil spend per month on social networking sites is nearly double the worldwide average, drawing the attention of social media companies. The following data represent the number of hours that a sample of people from Brazil spent on a social networking site last month. Complete parts a through f.

1.2 1.8 2.9 12.2 8.1 13.4 40.6 1.2 12.9

A) Calculate the mean.

The mean is_______

.( integer or decimal rounded to two decimal places as needed.)

B) Calculate the median.

The median is _______

(n integer or a decimal. Do not round.)

C) Calculate the mode.

Determine the mode. Select the correct choice below and, if necessary, fill in the answer box to choose.

a. The mode(s) is/are___________

( integer or a decimal. Do not round. Use a comma to separate answers as needed.)

b. The mode does not exist.

D) Which of these three measurements would best describe the central tendency of the data? Choose the correct answer below.

a. Mode

b. Mean

c. Median

E) Describe the shape of the distribution.

This distribution is__________because the mean is__________the median.

right-skewed greater than

left-skewed equal to

not skewed less than