A large investment firm on Wall Street wants to review the distribution of ages of its stockbrokers. The firm believes that this information can be useful in developing plans to recruit new brokers. The ages of a sample of 40 brokers are shown 46 28 51 34 29 40 38 33 41 52 53 40 50 33 36 41 25 38 37 41 36 50 46 33 61 48 32 28 30 49 41 37 26 39 35 39 46 26 31 35 Make a stem-and-leaf Obtain the sample mean and Find the sample 90th
A large investment firm on Wall Street wants to review the distribution of ages of its stockbrokers. The firm believes that this information can be useful in developing plans to recruit new brokers. The ages of a sample of 40 brokers are shown 46 28 51 34 29 40 38 33 41 52 53 40 50 33 36 41 25 38 37 41 36 50 46 33 61 48 32 28 30 49 41 37 26 39 35 39 46 26 31 35 Make a stem-and-leaf Obtain the sample mean and Find the sample 90th
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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Question
- A large investment firm on Wall Street wants to review the distribution of ages of its stockbrokers. The firm believes that this information can be useful in developing plans to recruit new brokers. The ages of a sample of 40 brokers are shown
46 |
28 |
51 |
34 |
29 |
40 |
38 |
33 41 |
52 |
53 |
40 |
50 |
33 |
36 |
41 |
25 |
38 37 |
41 |
36 |
50 |
46 |
33 |
61 |
48 |
32 |
28 30 |
49 |
41 |
37 |
26 |
39 |
35 |
39 |
46 |
26 31 |
35 |
- Make a stem-and-leaf
- Obtain the sample
mean and - Find the sample 90th
- Calculate the
interquartile range and interpret this value. - Summarize the data in a frequency table and draw either a line diagram or a
- Make a boxplot of the
- Comment on the location and shape of the
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