Squirrel, numerous in the neighborhood, run at full speed on electric cables. A sensor records their flow
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Question:
Squirrel, numerous in the neighborhood, run at full speed on electric cables. A sensor records their flow at a reference point. The following table depicts the record for each of the last 10 observed squirrels i, and the elapsed time ti(in seconds) between two records.
Squirrel i | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Total |
---|---|---|---|---|---|---|---|---|---|---|---|
ti(secs) | 2 | 20 | 15 | 5 | 4 | 8 | 194 | 443 | 3 | 6 | 700 |
- Compute the average elapsed time.
- Compute the standard deviation of the elapsed time.
- Compute the median of the elapsed time.
Problem 2: .Consider the following statistical distributions.
x | y |
12.5 | 93 |
10.1 | 91.4 |
11.3 | 90 |
8.5 | 88.2 |
6.9 | 83.8 |
8.2 | 77 |
7.5 | 66.1 |
12.8 | 64.3 |
11.1 | 55.5 |
14.9 | 58.8 |
13.1 | 60.6 |
16.1 | 65.1 |
- Compute and interpret the coefficient of correlation between x and y. Now, we want to fit a simple linear regression model to the sample data, via the least squares method, as follows: y=b1x+b0
- Compute the values of the coefficients b1and b0, and interpret your results.
Related Book For
Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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