The following data represent the amount of time (in minutes) a random sample of eight students took to complete the online portion of an exam in a particular statistics course. Compute the mean, median, and mode time. 61.6,71.1,85.1,108.4,128.4,102.4,94.7,121.8 Compute the mean exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A.The mean exam time is __________.(Round to two decimal places as needed.) B.The mean does not exist.Compute the median exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A.The median exam time is ____________(Round to two decimal places as needed.) B.The median does not exist.Compute the mode exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A.The mode is ____________.(Round to two decimal places as needed. Use a comma to separate answers as needed.) B.The mode does not exist.

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Answered: The following data represent the amount…

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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The following data represent the amount of time (in minutes) a random sample of eight students took to complete the online portion of an exam in a particular statistics course. Compute the mean, median, and mode time.

61.6,

71.1,

85.1,

108.4,

128.4,

102.4,

94.7,

121.8

Compute the mean exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

The mean exam time is __________.

(Round to two decimal places as needed.)

The mean does not exist.

Compute the median exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

The median exam time is ____________

(Round to two decimal places as needed.)

The median does not exist.

Compute the mode exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

The mode is ____________.

(Round to two decimal places as needed. Use a comma to separate answers as needed.)

The mode does not exist.

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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