The creator of a new online multiplayer survival game has been tracking the monthly downloads of the game. The following table shows the monthly downloads (in thousands) for each month of the current and previous year. Click on the datafile logo to reference the data. The datafile logo. Month Downloads Month Downloads (previous year) (thousands) (current year) (thousands) February 33.0 January 31.0 March 34.0 February 32.0 April 34.0 March 33.0 May 31.0 April 34.0 June 32.0 May 33.0 July 33.0 June 32.0 August 35.0 July 35.0 September 36.0 August 33.0 October 37.0 September 33.0 November 34.0 October 31.0 December 35.0 a. Compute the mean, median, and mode for number of downloads in the previous year. Mean (to 3 decimals) thousand Median (to 2 decimal) thousand Mode (to 2 decimal) thousand b. Compute the mean, median, and mode for number of downloads in the current year. Mean (to 3 decimals) thousand Median (to 2 decimal) thousand Mode (to 2 decimal) thousand c. Compute the first and third quartiles for downloads in the previous year. Round your answers to 2 decimal places, if necessary. First Quartile thousand Third Quartile thousand d. Compute the first and third quartiles for downloads in the current year. Round your answers to 2 decimal places, if necessary. First Quartile thousand Third Quartile thousand

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The creator of a new online multiplayer survival game has been tracking the monthly downloads of the game. The following table shows the monthly downloads (in thousands) for each month of the current and previous year.

Click on the datafile logo to reference the data.

The datafile logo.

Month	Downloads	Month	Downloads
(previous year)	(thousands)	(current year)	(thousands)
February	33.0	January	31.0
March	34.0	February	32.0
April	34.0	March	33.0
May	31.0	April	34.0
June	32.0	May	33.0
July	33.0	June	32.0
August	35.0	July	35.0
September	36.0	August	33.0
October	37.0	September	33.0
November	34.0	October	31.0
December	35.0

a. Compute the mean, median, and mode for number of downloads in the previous year.

Mean (to 3 decimals)	thousand
Median (to 2 decimal)	thousand
Mode (to 2 decimal)	thousand

b. Compute the mean, median, and mode for number of downloads in the current year.

Mean (to 3 decimals)	thousand
Median (to 2 decimal)	thousand
Mode (to 2 decimal)	thousand

c. Compute the first and third quartiles for downloads in the previous year. Round your answers to 2 decimal places, if necessary.

First Quartile	thousand
Third Quartile	thousand

d. Compute the first and third quartiles for downloads in the current year. Round your answers to 2 decimal places, if necessary.

First Quartile	thousand
Third Quartile	thousand

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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