Homework 1

# Homework 1 - Jacob Pugh 1(A The percentage approximately...

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Jacob Pugh 1. (A) The percentage approximately for women in the range of 59 and 69 is about 95% (B) 16% of women in this age range are under 61.5 inches tall approximately 2. (A) Anything above \$856,000 anything below \$360,000 would be an outlier (B) The Z score for one of the Executives at the oil company of (460,000- 400,000)/40,000=1.5 (C)The Z score for a salary of (113,280-96,000)/9,600= 1.8 (D) The assistant is more highly placed in their respective salary distribution because their Z score is .3 higher. 3. 100-40=60 60*1.5=90 90 is A which means that you take 90+100=190 which is the outlier for top and you take 40-90= -50. So in this set of data there are no outliers because the min and max are in-between -50 and 190. 4. (A) Progressive has more outliers than Geico does. Geico has a very small range of people paying the same amount. Progressive on the other hand has a bigger range with a lot more of the people paying less that Geico. (B) Progressive customer’s relative variability is 17% where Geico’s is 9%. Progressive’s

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Unformatted text preview: prices are spread out more than Geicos so that means most of Geicos prices are in the same range. 5. The histogram is not the proper table to show the statistics for the codes. He should have created a scatter plot to better summarize the information he was given. 6. (A) The data is skewed to the right. Also most of the data is between 30 and 15 min. 45 40 35 30 25 20 15 10 C1 Boxplot of C1 (B) This is an accurate measure of average because according to the data given most of the cars were done between 30 mins and 15 min. The average time is approximately 25 minutes according to this data. 7. (A) C1 Count D 4 GF 3 Jacob Pugh LC 2 PH 6 Pj 1 PJ 9 N= 25 (B) This is just a graphical way to show the same information. This makes it easier to take a quick look and see what pizza place is visited most from the data given. PJ Pj PH LC GF D 9 8 7 6 5 4 3 2 1 C1 Count Chart of C1...
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