Subject Mathematics General Statistics

Question

Obtain (generate) a random sample of 180 numbers between 1 and 60. You may use a calculator, excel, or a table of random numbers to achieve this. Use your sample to answer the following questions:

1. What is the mean?

2. What is the mode?

3. Compute the median.

4. Does your sample have more than one mode?

5. Summarize your sample into a frequency distribution with 6 classes.

6. Draw a histogram to represent the distribution.

7. Comment on the shape of the distribution.

8. Calculate the standard deviation of the sample.

9. Construct a cumulative distribution for your sample

10. Plot your cumulative distribution.

Solution Preview

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1. The mean of the sample is 30.94.

2. 6.27 is a mode, and 34.87 is another mode.

3. The median is 31.08...

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