Basing on the information given, the mean absolute deviation of the data is a. <u>18
</u>The measure of mean absolute deviation, or in short MAD, shows the variability or spread of the data across the distribution. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
Answer:

Step-by-step explanation:
The formula is 
<em>We need to solve for
, so we can perform the steps shown below:</em>

Hence, the third answer choice is correct.
The amount of dollars that Mr. Levant would exchange for 100 pesos on his return is <u>$9</u>.
<h3>What is an exchange rate?</h3>
An exchange rate is a rate that is used to convert one nation's currency to another.
The exchange rate is based on the purchasing power of each nation's currency.
<h3>Data and Calculations:</h3>
Dollars before traveling to Mexico = $270
Value of Mexican pesos received for $270 = 3,000 pesos
Exchange rate = $1 = 11.11 pesos (3,000/$270)
Amount of pesos left after the trip = 100 pesos
Value of 100 pesos in dollars = <u>$9</u> (100/$11.11)
Thus, the amount of dollars that Mr. Levant would exchange for 100 pesos on his return is <u>$9</u>.
Learn more about exchange rates at brainly.com/question/2202418
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Answer: it’s d
Step-by-step explanation: i did that
Answer:
662.6%
Step-by-step explanation: