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Explain application of the spray to relief from itching

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Reference no: EM131748044

Question: Medicine and Clinical Studies A new medicinal spray has been developed to help ease the itch and burn associated with poison ivy and poison oak. People who suffer from these poisons want and need immediate relief. A research study was conducted to measure the time (in minutes) from application of this spray to relief from itching. The following summary statistics were reported for a random sample of children and adults.

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a. Find a 95% confidence interval for the population variance in time to relief for children.

b. Find a 95% confidence interval for the population variance in time to relief for adults.

c. Is there any evidence to suggest the variance in time to relief is different in children and adults? Justify your answer.

Reference no: EM131748044

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