Problem 13BSC
Earthquake Magnitudes Use the frequency distribution from Exercise 23 in Section 2-2 to construct a histogram. Using a loose interpretation of the requirements for a normal distribution, do the magnitudes appear to be normally distributed? Why or why not?
Step-by-Step Solution:
Answer:
Step 1 of 1
Mag(x) |
0.7 |
0.74 |
0.64 |
0.39 |
0.7 |
2.2 |
1.98 |
0.64 |
1.22 |
0.2 |
1.64 |
1.32 |
2.95 |
0.9 |
1.76 |
1.01 |
1.26 |
0 |
0.65 |
1.46 |
1.62 |
1.83 |
0.99 |
1.56 |
0.4 |
1.28 |
0.83 |
1.34 |
0.54 |
1.25 |
0.92 |
1 |
0.79 |
0.79 |
1.44 |
1 |
2.24 |
2.5 |
1.79 |
1.25 |
1.49 |
0.84 |
1.42 |
1 |
1.25 |
1.42 |
1.35 |
0.93 |
0.4 |
1.39 |
The width of each bar has to be equal and the height has to equal the frequency:
This is in the form,
C - I |
Frequency |
0 - 0.5 |
5 |
0.5 - 1 |
18 |
1 - 1.5 |
19 |
1.5 - 2 |
7 |
2 - 2.5 |
3 |
2.5 - 3 |
2 |
Yes, because the histogram is roughly bell shaped.
Step 2 of 1
