Stats 1 assignment

Stats 1 assignment - Carl Hughes 260360489 MATH 203...

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Carl Hughes 260360489 MATH 203 Statistics 1 January 13 th , 2010 Assignment 1

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2.29 a) Approximately 14+19+14.5+11.5+9≈ 68% b) Approximately≈ 10% 2.37 a) The data are not roughly symmetrical distributed about one value. b) The data between 5-7 are relatively high and 11-12 are relatively low compared to the rest of the data set. 2.59 a) Mean= 11./8 = 1.47 b) Median= 1.48 1.50 2 = 1.49 c) Since all the numbers in the sample are relatively similar the sample mean is not heavily influenced by any extreme values and thus fairly similar to all of the values in the data set. The median is a value 1.53 1.471 2 ±.²³ ±.´µ± ±.·µ ±.´µ± ±.²± ±.´µ± ±.²² ±.´µ± ±.´¶ ±.´µ± ±.´± ±.´µ± ±.´¸ ±.´µ± ¸ ± 4.1 × ±³ ·
very similar to the mean because of the lack of extreme values and small range of the data set. Both measures of centrality do capture the nature of the relatively consistent data set. 2.66

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Stats 1 assignment - Carl Hughes 260360489 MATH 203...

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