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Finding a confidence interval for the true mean number

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Reference no: EM132855162

The data in the table below are the result of a random survey of 39 national flags (with replacement between picks) from various countries. We are interested in finding a confidence interval for the true mean number of colors on a national flag. Let X = the number of colors on a national flag.

X Frequency

1 1
2 7
3 18
4 7
5 6

Calculate the following:

a. X=

b. Sx=

Reference no: EM132855162

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