4. Find the mean and the standard deviation of the following data set: 12, 15, 12, 19, 21, 11, 13, 11, 12.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
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4. Find the mean and the standard deviation of the following data set: 12, 15, 12, 19, 21, 11, 13, 11, 12.
5. Based on questions 3 and 4, which numerical summary: the mean and standard deviation, or the median
and quartiles, would you choose for this data set? Justify your answer.
The dotplot below shows the highway gas mileage for model year 2009 midsize cars. Use the dotplot to
answer questions 6 and 7.
Highway Gas Mileage for Model Year 2009 Midsize Cars
18
21
24
27
30
33
15
Highway MPG
6. Describe the shape, center, spread, and outliers of the data set.
7. Interpret the outliers and create a modified box plot.
+
Transcribed Image Text:ll T-Mobile LTE 8:58 AM 9 100% Done 1 of 2 4. Find the mean and the standard deviation of the following data set: 12, 15, 12, 19, 21, 11, 13, 11, 12. 5. Based on questions 3 and 4, which numerical summary: the mean and standard deviation, or the median and quartiles, would you choose for this data set? Justify your answer. The dotplot below shows the highway gas mileage for model year 2009 midsize cars. Use the dotplot to answer questions 6 and 7. Highway Gas Mileage for Model Year 2009 Midsize Cars 18 21 24 27 30 33 15 Highway MPG 6. Describe the shape, center, spread, and outliers of the data set. 7. Interpret the outliers and create a modified box plot. +
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