Expert answer:Introduction to Statistics: step by step answers

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Answer & Explanation:Can you help me with that and I need step by step answers can you do that?hw_2.001.docx
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HW 2 (Due on Jan 27th)
SECTION 2.4
1. The 54th percentile in a large data set is 98.6.
a. Approximately what percentage of the observations are less than 98.6?
b. Approximately what percentage of the observations are greater than 98.6?
2.
3.
4. Find the z-score of each measurement in the following sample data set.
1.6, 5.2, 2.8, 3.7, 4.0
5.
6.
7. The following is the time in seconds for each of 12 rats to run through a maze.
30 31 25 35 27 33 40 35 28 29 32 33
(a). Find the five-number summaries, i.e., (Minimum, First Quartile,
Second Quartile, Third Quartile, Maximum).
(b). Find the inter-quartile range.
(c). Draw a stem-and-leaf plot.
8.
SECTION 2.5
9.
10.
11. SHOW DETAILED REASON AND STEPS FOR THIS PROBLEM.
12.
…
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