Confidence interval for population standard deviation sigma

Reference no: EM1319588

Q1) Football coach randomly chosen ten players and timed how long each player took to do a certain drill. Times (in minutes) were:

players	minutes
1	6
2	15
3	5
4	11
5	11
6	5
7	7
8	9
9	15
10	11

Suppose that population has normal distribution. Determine a 95 percent confidence interval for population standard deviation sigma.

i) (2.700, 19.023)

ii) (2.579,6.845)

iii) 3.749

iv) (2.064, 7.213)

v) None of above (do allow for slight rounding errors/table differences in selecting your solution)

Reference no: EM1319588

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