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 sotial networking site last month. Complete parts a through f. 1.8 1.4 2,5 12.4 8.7 13.4 40.4 1.8 12.9 a. Calculate the mean. The mean is. (Type an integer or decimal rounded to two decimal places as needed.) b. Calculate the median. The median is. (Type an 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 complete your choice. O A. The mode(s) is/are (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.) O B. The mode does not exist.
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 sotial networking site last month. Complete parts a through f. 1.8 1.4 2,5 12.4 8.7 13.4 40.4 1.8 12.9 a. Calculate the mean. The mean is. (Type an integer or decimal rounded to two decimal places as needed.) b. Calculate the median. The median is. (Type an 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 complete your choice. O A. The mode(s) is/are (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.) O B. The mode does not exist.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Transcribed Image Text: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 sotial networking site last month. Complete parts a through f.
1.8
1.4
2.5 12,4 8.7 13.4 40.4 1.8
12.9
a. Calculate the mean.
The mean is.
(Type an integer or decimal rounded to two decimal places as needed.)
b. Calculate the median
The median is.
(Type an 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 complete your choice.
O A. The mode(s) is/are
(Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.)
O 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.
O A. Mean
O B. Mode
O C. Median
e. Describe the shape of the distribution.
This distribution is
V because the mean is
V the median.
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